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SpaceTime with Stuart Gary

ABC (Australia)

Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry experts. Become a supporter of this podcast:...

Location:

Gladesville, NSW

Description:

Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry experts. Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Twitter:

@stuartgary

Language:

English

Contact:

61431119082


Episodes
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From Cosmic Collisions to Astronaut Safety

3/26/2026
Sponsor Link: This episode of SpaceTime is brought to you with the support of Squarespace...your one-stop solution for building a professional online presence with ease. To explore our special offers, just visit www.squarespace.com/spacetime SpaceTime Series 29 Episode 37 *Solving one of the mysteries of the Small Magellanic Cloud Astronomers may have finally solved one of the many mysteries of the Small Magellanic Cloud – a satellite dwarf galaxy the orbits the Milky Way. *Protecting astronauts from radiation in deep space NASA’s first manned mission to the moon in over half a century has been rolled out back to the launch pad and is now slated for launch on April first. *Another step forward in growing food in space Scientists have been putting their astronomical green thumbs to the test by trying to grow plants in simulated lunar and Martian soils. *The Science Report Study shows teen bullies are more likely to suffer faster biological ageing and obesity. Three new species of Australian rock-dwelling monitor lizards have been formally described. The spray-on fabric coating that can clean clothing without detergent. Skeptics guide to Florida’s skunk ape. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Dr Trevor Lafleur from the University of New South Wales NASA Meteoroid Environment Office Lead Dr Bill Cooke from the Marshall Space Flight Centre Cryosat Principal Investigator Duncan Wingham University College London Ralph Cordey from EADS Astrium Research fellow Katharine Giles University College London And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through premium versions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ For more SpaceTime and show links: https://linktr.ee/biteszHQ If you love this podcast, please get someone else to listen to. Thank you… For more podcasts visit our HQ at https://bitesz.com

Duration:00:24:34

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Gas Giants vs. Brown Dwarfs: Unraveling the Cosmic Spin Mystery

3/25/2026
Sponsor Link: This episode of SpaceTime is brought to with the support of Squarespace. Take your ideas online the easy way. Build a professioanl website...anyone can do it! Give it a try for free by visiting www.squarespace.com/spacetime SpaceTime Series 29 Episode 36 *How to tell gas giants from brown dwarfs A new study has found that giant planets spin faster than their cosmic brown dwarfs lookalikes. *A nuclear power station on the Moon gets the green light NASA and the U.S. Department of Energy have renewed their partnership to develop a nuclear fission reactor to power a permanent base on the lunar surface by 2030. *Using an ice satellite to detect powerful geomagnetic storms The European Space Agency’s Cryosat spacecraft has accurately measured the impact of resent geomagnetic storm activity from the Sun as it slammed into Earth’s magnetic field.. *The Science Report New study shows that higher air pollution levels increase the risk of physical disabilities. Working out someone’s mood by the way they walk. Over half of teens admit that they’ve created at least one image using AI nudification tools. Alex on Tech: Portable data centres on their way down under. For more SpaceTime visit www.spacetimewithstuartgary.com Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:21:11

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Black Hole Merger Sparks Gamma Ray Burst and Iodine Propulsion Revolution

3/23/2026
Sponsor Link: This episode of SpaceTime is brought to you with the support of Squarespace...your one stop for building a professional online presence the easy way. To check out our special offers, just visit www.squarespace.com/spacetime SpaceTime Series 29 Episode 35 *The black hole merger that sent ripples through spacetime Scientists have detected the merger of a pair of stellar mass black holes which was quickly followed seconds later by a powerful gamma ray burst.. *A new type of ion propulsion system for spacecraft Scientists are developing a new type of ion propulsion system for spacecraft which would be easier to produce and provide better performance than current xenon based plasma systems. *Thousands watch a fireball streak across the Ohio skies Residents across North Eastern Ohio have seen a spectacular day time meteor streak across the skies. *The Science Report Study shows Greenland’s Ice dome melted over 7,000 years ago.. Warnings of worsening human health impacts from the production of plastics. Scientists discover the region of the brain responsible for controlling hypocrisy. Skeptics guide to America’s growing belief in flying saucers. For more SpaceTime visit www.spacetimewithstuartgary.com Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:33:13

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Van Allen Probe's Fiery Farewell and NASA's Mobile Launcher Setback

3/20/2026
SpaceTime Series 29 Episode 34 *NASA's Van Allen Probe A comes to a fiery end After a mission lasting some 14 years, NASA's Van Allen Probe A spacecraft has re-entered Earth’s atmosphere in a fiery death plunge burning up over the Pacific Ocean. *NASA Mobile Launcher 2 on hold Last week’s announcement of changes to the Artemis Moon launch schedule has now resulted in NASA pulling the plug on further work on its Mobile Launcher two project which has been under construction at the Kennedy Space Centre in Florida for two years. *Spectacular failure for Japanese rocket . SpaceOne have failed in their third attempt to become the first private Japanese company to put a satellite in orbit. *The Science Report New warnings that the rate of climate change has surged since 2015. The first patient to be surgically connected to a genetically modified pig liver. Why some domestic cats are prone to chronic kidney disease. Skeptics guide to the FBI investigating Big Foot. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Linda Losurdo from the University of Sydney Van Allan probes Deputy Project Scientist Nicky Fox from the Johns Hopkins University Applied Physics Laboratory And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:16:29

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Stellar Migration and Cosmic Dust: Unveiling Galactic Origins

3/17/2026
SpaceTime Series 29 Episode 33 *What the birth of our Sun tells us about the evolution of our galaxy Astronomers studying the birth and early evolution of the Sun have uncovered how the shape of our galaxy has changed dramatically over the past few billion years.. *Making cosmic dust in the lab. A new study examining how the building blocks of life are formed in extreme deep space environments has created cosmic dust in a laboratory. *China selects a landing site for its first manned mission to the Moon Beijing has identified four possible landing sites for China's first manned mission to the lunar surface. *The Science Report The new Super K flu strain that’s beating vaccinations. A new study has shown that taking a daily multivitamin could help slow biological ageing. Social media and video games linked to poorer developmental outcomes in kids and teens. Alex on Tech: Norton scam genie 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through premium versions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/ For more SpaceTime and show links: https://linktr.ee/biteszHQ If you love this podcast, please get someone else to listen to. Thank you…

Duration:00:26:28

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Magnetar Birth and Lunar Bombardment: Cosmic Revelations Unveiled

3/16/2026
SpaceTime Series 29 Episode 32 *The birth of a magnetar seen for the first time Astronomers have for the first time seen the birth of a magnetar — a highly magnetized, spinning neutron star. *Rewriting the textbooks on the history of the Moon A new study claims the lunar near and far sides experienced similar levels of asteroid and meteor bombardment, despite the very different appearances of the two. *Spectacular fireball light up the skies of Europe The European Space Agency is analysing a spectacular fireball which lit up the skies over Europe last week dropping debris all along its trajectory. *The Science Report Study shows little science showing cannabis can help people with mental health conditions. Australia’s digital ID scheme moves to phase II forcing some adults to adopt it. The weird ancient crocodile that walked on two legs. Skeptics guide to predicting the end of the world. Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:22:07

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Earth's Energy Imbalance and Solar Secrets

3/12/2026
Sponsor Links This episode is brought to you by Squarespace. When it's time to get online you need Squarespace to make the process straightforward and easy. To check out how they can help you and our special offer to get started, visit www.squarespace.com/spacetime SpaceTime Series 29 Episode 31 *Planet Earth’s balance is shifting A new study claims planet Earth’s balance is shifting with the Northern Hemisphere absorbing significantly more solar energy than the Southern Hemisphere -- a shift that could reshape global weather patterns. *A unique insight into the Sun’s inner life Astronomers discover that the Sun’s internal structure changes from one solar cycle minimum to the next. *Landsat 9: More than just a picture For over 50 years, the Landsat program has provided the longest continuous satellite record of Earth's land surface from space. *The Science Report New warnings about the bleak future for Victoria’s critically endangered Brush-tailed rock-wallabies. Study shows teens who use cannabis are more likely to develop psychiatric disorders. Research shows bird watchers develop denser attention and perception-related areas in their brains. Skeptics guide to Elon Musk’s opinion on UFOs https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Professor Michele Trenti from the University of Melbourne Artemis II astronaut Christina Cook Artemis II astronaut Jeremy Hanson Orion and Artemis systems food lab manager Ashua Ook NASA Artemis flight controller Wyatt Mckinley And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And senior science writer and Sky and Telescope magazine contributor Jonathan Nally 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:22:06

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Martian Superstorms and Lunar Tectonics: Unraveling Cosmic Secrets

3/10/2026
Sponsor Link This episode of SpaceTime is brought to you with the support of Squarespace - your one stop when you're ready to build an online presence with ease. To take up our special offer and help support the show, visit www.squarespace.com/spacetime SpaceTime Series 29 Episode 30 *Solar superstorm hits the red planet Over the past few years planet Earth has been slammed by a series of violent solar storms erupting from the Sun as it transitioned through solar max the climax of its eleven year solar cycle. But what happens when these same storms hit Mars? *Recent tectonic activity discovered on the Moon Scientists have produced the first global map and analysis of small mare ridges seen on the surface of the Moon. *Repair work underway on NASA’s Artemis II manned Moon rocket Work is continuing to repair NASA’s Artemis II rocket as mission managers prepare to return humans to lunar orbit for the first time in over 50 years. *The Science Report Kids who consume more ultra-processed foods more likely to have issues with behaviour and emotions. New clues about how primates – including humans – evolved. New hope for banana lovers as the threat of Panama disease continues to challenge the Cavendish variety. Alex on Tech new MacBook Neo. 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌ If you’d like to support the podcast and gain access to bonus content by becoming a SpaceTime crew member, you can do just that through premium versions on Patreon, Spotify and Apple Podcasts. Details on the Support page on our website https://www.bitesz.com/show/spacetime/support/

Duration:00:26:49

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Barred Spiral Discoveries and Spirit's Final Mission: A Cosmic Journey Unfolds

3/9/2026
Sponsor Links: This episode of SpaceTime is presented with the support of Squarespace....your one stop for when you're ready to get online. To chek our special discount offers, simply voisit www.squarespace.com/spactime and use the cou[on code SPACETIME at checkout. SpaceTime Series 29 Episode 29 *Earliest known barred spiral galaxy Our Milky Way galaxy is known as a barred spiral, and debate continues on exactly how the bar section at the heart of these types of galaxies form and evolve. Now astronomers have discovered one of the earliest barred spiral galaxies ever seen. *Australia's SpIRIT satellite mission comes to an end After more than 25 months of successful operations in space, the University of Melbourne’s SpIRIT satellite mission has come to an end. *International Space Station to remain in orbit an additional two years International Space Station is now expected to remain in orbit for an additional two years extending its operational life to 2032. *The Science Report Climate is likely to see neutral El Ni?o/La Ni?a conditions until at least the middle of the year. New research into the mating habits between Neanderthals and modern human. The diverse range of foods eaten across Europe thousands of years ago. Skeptics guide to claims smoking cures cancer. For more SpaceTime visit www.spacetimewithstuartgary.com Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:27:47

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Uranian Auroras and Planetary Defense: Unveiling Cosmic Mysteries

3/6/2026
SpaceTime with Stuart Gary - Series 29 Episode 28 In this episode of SpaceTime, we dive into the groundbreaking mapping of Uranus's upper atmosphere, the European Space Agency's innovative Planetary Defense Fly Eye Telescope, and NASA's critical findings on Boeing's Starliner spacecraft. Mapping Uranus's Upper Atmosphere A new study has successfully created a three-dimensional map of Uranus's upper atmosphere, revealing how the ice giant's unusual magnetic field influences its auroral activity. This detailed mapping, reported in Geophysical Research Letters, shows emissions from molecules located up to 5,000 kilometers above the cloud tops, confirming a cooling trend over the past 30 years. The research highlights the complex dynamics of Uranus's magnetosphere, which is tilted and offset, leading to unique auroral patterns unlike any other planet in our solar system. ESA's Fly Eye Telescope for Planetary Defense The European Space Agency is developing the Fly Eye Telescope, designed to detect Near Earth Objects (NEOs) that could pose a threat to Earth. Inspired by the compound eye of insects, this innovative telescope uses a unique design to scan vast areas of the sky efficiently, identifying potential impact risks. With plans for a network of these telescopes, ESA aims to enhance our capability to monitor and mitigate the dangers posed by asteroids and comets. Nasa's Scathing Robert on Boeing's Starliner NASA has released a critical report detailing the failures of Boeing's CST-100 Starliner spacecraft, highlighting engineering vulnerabilities and internal mistakes that jeopardized crew safety. The investigation found Starliner less reliable for crew survival compared to other manned spacecraft, leading to a recommendation that no further crewed flights occur until all technical issues are resolved. The report underscores the need for stringent oversight in space missions to ensure astronaut safety. www.spacetimewithstuartgary.com ✍️ Episode References Geophysical Research Letters Support our podcast: Become a supporter.

Duration:00:20:44

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Supernova Countdown and Auroral Insights: The Cosmic Show Ahead

3/4/2026
SpaceTime with Stuart Gary Gary - Series 29 Episode 27 In this episode of SpaceTime, we explore the potential explosion of a massive star, NASA's innovative mission to study Earth's auroras, and the latest setbacks for the Artemis 2 lunar mission. Supernova on the Horizon Astronomers are buzzing with excitement as WOHG 64, one of the largest stars known, shows signs of impending supernova activity. Located 163,000 light years away in the Large Magellanic Cloud, this red supergiant is shedding its outer layers and transitioning toward its explosive end. With a luminosity 282,000 times that of the sun and an estimated size 1,500 times greater, WOHG 64's dramatic evolution raises questions about the lifecycle of massive stars and the nature of supernovae. Nasa's CINEMA Mission to Study Auroras NASA is set to launch the CINEMA mission in 2030, aiming to unravel the mysteries of Earth's auroras and the role of the magnetotail in their formation. This innovative mission will consist of nine small satellites designed to gather data on the dynamics of auroral activity and the magnetosphere. By combining particle measurements and imaging, CINEMA will provide insights into auroral substorms and their connection to explosive magnetic events, enhancing our understanding of space weather and its impact on technology. Artemis 2 Mission Delayed NASA has rolled back the Artemis 2 moon rocket into the vehicle assembly building due to issues with the helium system, further delaying the mission aimed at returning humans to lunar orbit for the first time in over 50 years. This rollback follows earlier delays related to the liquid hydrogen fuel system and other minor technical issues. With the crewed mission now facing additional setbacks, NASA continues to work diligently to ensure a successful launch. www.spacetimewithstuartgary.com ✍️ Episode References Nature Astronomy, PLOS ONE Support our podcast: Become a supporter.

Duration:00:25:55

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Lunar Delays and Hypersonic Breakthroughs: Exploring the Depths of Space

3/2/2026
SpaceTime with Stuart Gary Gary - Series 29 Episode 26 In this episode of SpaceTime, we delve into NASA's postponed return to the lunar surface, a remarkable hypersonic test flight by an Australian company, and the fascinating hidden chemistry at the heart of the Milky Way galaxy. Nasa's Lunar Return Delayed NASA has announced a significant delay in its plans to return humans to the lunar surface, pushing the Artemis 4 mission to 2028. The upcoming Artemis 3 mission will focus on testing systems in low Earth orbit instead of conducting a lunar landing. NASA officials emphasize the need for a methodical approach to ensure the safety and success of future missions, including critical tests of lunar landers from SpaceX and Blue Origin. This strategic shift aims to facilitate at least one major lunar landing annually starting in 2028. Successful Hypersonic Test Flight An Australian scramjet has achieved a successful test flight, propelling the Dart hypersonic aircraft to speeds exceeding five times the speed of sound. This milestone underscores the potential of scramjet technology, which utilizes a unique engine design without moving parts to achieve hypersonic speeds. The successful mission, launched from Rocket Lab’s Wallops Island facility, marks a significant step toward developing autonomous hypersonic vehicles capable of sustained flight and could pave the way for future space travel advancements. Revealing the Milky Justin's Chemistry Astronomers have captured the largest and most detailed image of the central region of the Milky Way galaxy, unveiling a complex network of filaments and cosmic gas. This groundbreaking observation, made possible by the Atacama Large Millimeter/submillimeter Array (ALMA), provides unprecedented insights into the processes of star formation in the galactic center. The study reveals the intricate chemistry of the central molecular zone, detecting various molecules and enhancing our understanding of star formation in extreme environments. www.spacetimewithstuartgary.com ✍️ Episode References Scientific Reports, Monthly Notices of the Royal Astronomical Society Support our podcast: Become a supporter.

Duration:00:26:40

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Martian Gullies and Inside-Out Planets: Discoveries from the Cosmos

2/27/2026
Sponsor Link: This episode of SpaceTime is brought to you by Squarespace. Create your own exceptional website with ease at squarespace.com/spacetime. SpaceTime with Stuart Gary Gary - Series 29 Episode 25 In this episode of SpaceTime, we explore the intriguing mysteries of Mars' gullies, uncover a unique inside-out planetary system, and witness the inaugural launch of Europe's most powerful rocket. Mysterious Martian Gullies Explained Scientists have made significant strides in understanding the enigmatic gullies on Mars, previously thought to be shaped by unknown forces. A new study published in Geophysical Research Letters reveals that blocks of frozen carbon dioxide are the culprits behind these formations. When the Martian winter sets in, CO2 ice accumulates and, upon warming, sublimates, creating gas pressure that carves deep gullies in the Martian surface. This groundbreaking phenomenon, likened to the sandworms of Dune, showcases a unique geological process not observed on Earth. Inside-Out Planetary System Discovery Astronomers have identified a remarkable new planetary system, catalogued as LHS 1903, that defies conventional models of planetary formation. Unlike our solar system, which features rocky planets close to the star and gas giants further out, LHS 1903 has a small rocky planet orbiting outside of two gas giants. This discovery, detailed in Science, suggests that this rocky world may have formed in a gas-depleted environment, challenging existing theories about how planets evolve and raising questions about the nature of planetary systems. Europe's Powerful Rocket Launch The European Space Agency has successfully launched the Ariane 64, its most powerful rocket to date, from the Kourou Spaceport in French Guiana. This inaugural mission, VA267, carried 32 satellites into orbit for Amazon's LEO network, marking a significant milestone as the largest number of satellites ever launched by an Ariane rocket. With plans for an average of 10 launches per year, the Ariane 64 is set to play a crucial role in the future of satellite deployment. www.spacetimewithstuartgary.com ✍️ Episode References Geophysical Research Letters, Science Support our podcast: Become a supporter.

Duration:00:37:52

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The Birth of a Black Hole and Mars' New Navigation

2/25/2026
Sponsor Link: This episode of SpaceTime is brought to with the kind support of Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To check out our special offers, vist squarespace.com/spacetime and us the promo code SPACETIME. SpaceTime with Stuart Gary Gary - Series 29 Episode 24 In this episode of SpaceTime, we uncover astonishing discoveries about the birth of black holes, a revolutionary Martian navigation system, and the arrival of NASA's SpaceX Crew 12 at the International Space Station. The Birth of a Black Hole: A New Perspective Astronomers have made a groundbreaking discovery by observing a star in the Andromeda Galaxy collapsing into a black hole without the expected supernova explosion. The star, catalogued as M31 2014 DS1, was seen glowing brightly in infrared light before fading away, leaving behind a dust shell. This event, which had been anticipated for decades, suggests that massive stars may collapse directly into black holes, challenging long-held assumptions about stellar deaths. The findings, published in the journal Science, provide new insights into the processes that govern black hole formation and indicate that such direct collapses may be more common than previously thought. NASA's New Martian Navigation System NASA has introduced an innovative navigation system for its Perseverance rover, allowing it to determine its location on Mars with remarkable precision—within 25 centimeters. The new technology, called Mars Global Localization, enables the rover to autonomously compare panoramic images with orbital terrain maps, eliminating the need for Earth-based assistance. This advancement significantly enhances the rover's ability to explore the Martian surface independently, paving the way for more extensive scientific investigations. SpaceX Crew 12 Arrives at the ISS NASA's SpaceX Crew 12 has successfully docked with the International Space Station, restoring the crew complement to seven members. The mission includes a diverse crew of two Americans, a Russian, and a French astronaut, who will conduct approximately 250 scientific experiments in orbit. Additionally, NASA has approved a sixth private mission to the ISS, slated for next year, which aims to support new research initiatives and infrastructure development for future human spaceflight missions. www.spacetimewithstuartgary.com ✍️ Episode References Journal Science, NASA Reports Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:23:23

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Dark Matter Galaxies and Artemis Delays: Unraveling the Secrets of the Cosmos

2/23/2026
Sponsor Link: This episode of Spacetime is brought to you with the support of Squarespace...when it's time to get online, it's time to visit Squarespace. Free trial. To find out more visit squarespace.com/spacetime SpaceTime with Stuart Gary Gary - Series 29 Episode 23 In this episode of SpaceTime, we investigate the discovery of a nearly invisible galaxy dominated by dark matter, the latest delays in the Artemis 2 mission to the Moon, and the anticipated launch of Australia's new hypersonic scramjet. A Dark Matter Galaxy Unveiled Astronomers have identified an almost invisible galaxy, catalogued as CDG2, located in the Perseus galaxy cluster approximately 300 million light years away. This galaxy is believed to be composed of about 99% dark matter, making it one of the most dark matter-dominated galaxies ever detected. The findings, published in Astrophysical Research Letters, reveal that dark matter constitutes roughly 80% of the universe's total matter, and CDG2's faint presence was confirmed through observations of its globular clusters using NASA's Hubble Space Telescope and the European Space Agency's Euclid Space Observatory. Artemis 2 Mission Delayed Again NASA has announced another delay for the Artemis 2 mission, which aims to return humans to lunar orbit for the first time in over 50 years. A helium leak discovered in the Space Launch System (SLS) rocket's upper stage has prompted the agency to roll back the launch vehicle to the vehicle assembly building for repairs. This setback eliminates the potential for a March launch, with the next available windows opening in early April. The Artemis 2 mission will carry a crew of four on a 10-day journey to the Moon, including critical system tests and satellite deployments. Australia's Hypersonic Scramjet Launch Imminent An Australian company is set to test its new hypersonic scramjet-powered aircraft, the Dart AE, before the end of the month. This innovative vehicle will utilize a 3D printed Spartan Scramjet engine, designed to operate at speeds exceeding Mach 5 with liquid hydrogen fuel. The mission, codenamed Cassowary Vex, will launch aboard a Rocket Lab electron rocket and aims to validate the scramjet propulsion system under real hypersonic flight conditions while producing zero carbon emissions. www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Research Letters Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:27:25

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Primordial Black Holes and Saturn's Ring Origins: Unveiling Cosmic Mysteries

2/19/2026
SpaceTime with Stuart Gary Gary - Series 29 Episode 22 In this episode of SpaceTime, we delve into the formation of the universe's most enigmatic objects, explore the origins of Saturn's iconic rings, and get updates on NASA's Artemis 2 mission. Black Holes and Exotic Cosmic Structures A groundbreaking study suggests that some of the universe's most exotic entities, including black holes and cannibal stars, may have formed just seconds after the Big Bang. Researchers from the International School of Advanced Studies propose that subatomic particles condensed into halos of matter, which then collapsed to create these fascinating cosmic structures. Their findings, published in Physical Review D, indicate that even in the earliest moments of the universe, complex physical phenomena were already taking shape, paving the way for our understanding of cosmic evolution. The Formation of Saturn's Rings New research proposes that Saturn's largest moon, Titan, may have formed from the collision of two older moons, potentially linking this event to the creation of Saturn's spectacular ring system. The study, reported in the Planetary Science Journal, utilizes computer simulations to explore the dynamics of Saturn's moons and their interactions, suggesting that Titan's merger could explain its unique orbit and the age of the rings, estimated to be around 100 million years. NASA's Artemis 2 Mission Update Following the recent scrubbing of the Artemis 2 launch due to hydrogen leaks, NASA has made significant repairs and is preparing for another attempt. Engineers have replaced seals in the mobile launcher's umbilical area and are conducting further testing to ensure the rocket's readiness. With multiple launch windows available in March, the Artemis 2 mission aims to test key systems aboard the Orion spacecraft, setting the stage for future lunar exploration and the eventual return of humans to the Moon. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review D, Planetary Science Journal Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:22:45

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Exploring Life's Potential on the Red Planet and Saturn's Tiny Moon

2/18/2026
SpaceTime with Stuart Gary Gary - Series 29 Episode 21 In this episode of SpaceTime, we explore intriguing revelations about the search for life on Mars, the surprising effects of Saturn's moon Enceladus on its planet, and the monumental volcanic events that reshaped Earth's tectonic landscape. Life on Mars: A New Perspective Recent findings suggest that non-biological processes cannot fully explain the organic compounds found in Martian regolith samples collected by NASA's Curiosity rover. Published in the journal Astrobiology, the study indicates that life may have contributed to some of these compounds, challenging previous assumptions. The research involved evaluating potential non-biological sources and concluded that the abundance of organics on Mars could hint at past life, sparking renewed interest in the Red Planet's potential habitability. Enceladus' Electromagnetic Influence A fascinating study reveals that Saturn's icy moon Enceladus trails a wake of electromagnetic ripples extending over half a million kilometers, significantly influencing its giant host planet. Data from NASA's Cassini mission demonstrated how Enceladus' geysers contribute to energy and momentum circulation within Saturn's magnetic environment, marking a crucial discovery about the moon's role in the Saturnian system. Earth's Volcanic History New research highlights how Earth's largest volcanic event, associated with the Ontong Java Plateau, dramatically altered a major tectonic plate. The findings suggest that extensive volcanic activity led to significant physiochemical modifications within the oceanic plate, enhancing our understanding of plate formation processes and the environmental impacts of such massive eruptions. www.spacetimewithstuartgary.com ✍️ Episode References Astrobiology, Geophysical Research Space Physics, Geophysical Research Letters Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Duration:00:24:54

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Earth's Core Secrets and Solar Neutrinos: Unveiling the Mysteries of Our Planet and the Sun

2/16/2026
In this episode of SpaceTime, we dive into groundbreaking research revealing the true composition of the Earth's core, explore new insights into solar neutrinos, and uncover the complexities of Martian volcanoes. Earth's Core Contains Vast Hydrogen Reservoir A recent study published in Nature Communications indicates that Earth's core may hold up to 45 oceans' worth of hydrogen, challenging the long-held belief that water on our planet primarily came from asteroids and comets. Utilizing advanced laboratory techniques, researchers simulated the extreme conditions of the core to uncover its surprising hydrogen content, suggesting a significant internal source of water far beyond previous estimates. Neutrinos from the Sun's Core A new dark matter experiment has successfully detected neutrinos originating from the Sun's core, marking a significant milestone in our understanding of these elusive particles. The LZ experiment at the Sanford Underground Research Facility captured signals from Brian 8 solar neutrinos, providing valuable data on solar processes and setting new limits for dark matter research. This breakthrough highlights the potential of neutrino studies in unraveling the mysteries of both dark matter and stellar dynamics. Complexity of Martian Volcanoes New findings published in Geology reveal that young Martian volcanoes are far more complex than previously thought. Researchers have discovered that these volcanoes were shaped by long-lasting and evolving magma systems rather than single eruptions. By analyzing surface features and mineral compositions from orbit, scientists have reconstructed the intricate eruptive history of these volcanic systems, shedding light on the Red Planet's geological past. www.spacetimewithstuartgary.com ✍️ Episode References Nature Communications, Geology Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support. (00:00:00) New study reveals Earth's core may contain vast amounts of hydrogen (00:08:30) Breakthrough in solar neutrino detection from the Sun's core (00:16:45) Insights into the complex eruptive history of Martian volcanoes (00:25:00) Science report: The link between caffeine consumption and reduced dementia risk (00:32:15) Study on the frequency of passionate love experiences in humans

Duration:00:32:14

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Black Hole Explosions and Martian Water Loss: Unraveling Cosmic Mysteries and Planetary Secrets

2/12/2026
Sponsor Link: This episode of SpaceTime is brought to with the help of Squarespace. When it's time to get online, you need Suarespace to make you look professional. To get the Spacetime special offer simply visit www.squarespace.com/spacetime or use the code SPACETIME at checkout. SpaceTime with Stuart Gary Gary - Series 29 Episode 19 In this episode of SpaceTime, we explore astonishing discoveries in astrophysics, planetary science, and aerospace engineering. Astronomers Observe Possible Black Hole Explosion Astronomers are investigating what could be the first ever observation of a black hole explosion. A recent study published in Physical Review Letters suggests that the mysterious high-energy neutrino detected in 2023 may have originated from a quasi-extremal primordial black hole. This type of black hole, theorized to exist since the Big Bang, could explain the otherwise unexplainable energy levels of the neutrino and potentially unlock the secrets of dark matter and the fundamental nature of the universe. Mars' Dust Storms and Water Loss New research published in Communications Earth and Environment reveals that localized dust storms on Mars may play a significant role in the planet's water loss. While Mars is currently a dry desert, evidence from its surface indicates a wetter past. The study shows that intense dust storms can transport water vapor to higher altitudes, facilitating its escape into space, thus contributing to the long-standing mystery of Martian water depletion. Plasma Daniel for Hypersonic Testing A groundbreaking facility known as the plasma tunnel is now being used by scientists and engineers to simulate the extreme conditions spacecraft face during atmospheric reentry. The plasma tunnel generates high-speed plasma flows that mimic the intense heat and pressure experienced during reentry, providing critical data for developing safer and more efficient spacecraft. This innovative technology could revolutionize our understanding of hypersonic flight and enhance mission safety for future space exploration. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review Letters, Communications Earth and Environment Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support. (00:00:00) Astronomers investigate a potential black hole explosion (00:07:15) New study reveals how dust storms on Mars contribute to water loss (00:15:30) The plasma tunnel: recreating atmospheric reentry conditions (00:22:45) Science report: Genetic factors influencing life expectancy (00:30:00) Bigfoot sightings and cultural phenomena in America

Duration:00:23:37

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Dark Matter's Role and Lunar Mysteries: Unraveling the Secrets of Our Galaxy and Moon's Interior

2/10/2026
Sponsor Links: This episode of SpaceTime is brought to you with the support of Squarespace....your first stop when you want to build a presence online. To check out our special offers, simply visit www.squarespace.com/spacetime for details SpaceTime with Stuart Gary Gary - Series 29 Episode 18 In this episode of SpaceTime, we explore groundbreaking theories about the nature of dark matter, the thermal differences between the lunar far and near sides, and new revelations regarding Jupiter's dimensions. Dark Matter's Role in the Milky Way A new study suggests that dark matter could be the driving force behind the gravitational dynamics of our Milky Way galaxy. Researchers propose that a clump of fermionic dark matter might exert similar gravitational influence as the supermassive black hole at the galaxy's center, Sagittarius A. This theory challenges conventional understanding and is supported by data from the European Space Agency's Gaia mission, which mapped the galaxy's outer halo and rotational curve, indicating a potential new model for understanding galactic structures. Lunar Far Side's Cooler Interior Recent findings published in Nature Geoscience indicate that the lunar far side may be significantly cooler than the near side. Analyzing samples collected by China's Chang'e 6 mission, scientists discovered that the far side's regolith formed from lava at temperatures approximately 100 degrees Celsius lower than those from the near side. This study provides insight into the Moon's geological history and the uneven distribution of heat-producing elements, which may have resulted from ancient impacts or tidal forces from Earth. Jupiter's Slimmer Profile New measurements from NASA's Juno mission reveal that Jupiter is actually slimmer than previously thought, being about 8 kilometers narrower at the equator and 24 kilometers flatter at the poles. These findings refine our understanding of the gas giant's shape and have implications for models of planetary formation and evolution. The data also sheds light on Jupiter's atmospheric dynamics, including its powerful winds and cyclones, enhancing our knowledge of gas giants both within our solar system and beyond. www.spacetimewithstuartgary.com ✍️ Episode References Monthly Notices of the Royal Astronomical Society, Nature Geoscience, Nature Astronomy Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support. (00:00:00) New study claims that mysterious substance called dark matter could be powering our Milky Way (00:08:01) New study suggests lunar far side may be a little bit colder than near side (00:12:52) Space Time is brought to you by Squarespace. com spacetime (00:14:23) New measurements based on NASA's Juno mission reveal Jupiter is much smaller than previously thought (00:18:16) People with depressive personalities far more likely to have sexual fantasies, study finds (00:20:34) New test shows artificial intelligence chatbot admitting it would kill to save itself (00:27:09) Already we have security companies treating AI chatbots like humans

Duration:00:29:56