SpaceTime: Your Guide to Space & Astronomy
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-your-guide-to-space-astronomy--2458531/support.
Episodes
September 22, 2025 • 35 mins
In this episode of SpaceTime, we tackle the mysteries of the cosmos with a new mathematical model of the universe and ponder the age-old question: are we alone in the universe?
New Model of the Universe
Scientists have unveiled a groundbreaking mathematical model aimed at simplifying our understanding of the universe's evolution over the past 13.8 billion years. This innovative research, based on data from the Dark Energy Spectroscop...
New Model of the Universe
Scientists have unveiled a groundbreaking mathematical model aimed at simplifying our understanding of the universe's evolution over the past 13.8 billion years. This innovative research, based on data from the Dark Energy Spectroscop...
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September 19, 2025 • 22 mins
In this episode of SpaceTime, we explore the thrilling prospects of observing exploding black holes, an astonishing stellar jet on the outskirts of the Milky Way, and the meticulous preparations for an Earth observation satellite mission.
Exploding Black Holes on the Horizon
A groundbreaking study suggests that astronomers may soon witness a black hole explosion, an event theorised to occur once every 100,000 years. Researchers now b...
Exploding Black Holes on the Horizon
A groundbreaking study suggests that astronomers may soon witness a black hole explosion, an event theorised to occur once every 100,000 years. Researchers now b...
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September 17, 2025 • 26 mins
In this episode of SpaceTime, we uncover the secrets of ancient geology, explore the watery past of an asteroid, and delve into the origins of globular clusters.
Supercontinent Breakup Revealed
Scientists have made significant strides in understanding the breakup of the supercontinent Rodinia, which occurred over 800 million years ago. Research conducted on rare minerals in Outback Australia has revealed how niobium-rich carbonatites...
Supercontinent Breakup Revealed
Scientists have made significant strides in understanding the breakup of the supercontinent Rodinia, which occurred over 800 million years ago. Research conducted on rare minerals in Outback Australia has revealed how niobium-rich carbonatites...
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September 15, 2025 • 32 mins
In this episode of SpaceTime, we dive into groundbreaking discoveries on Mars, the intriguing atmosphere of Makemake, and the awe-inspiring total lunar eclipse that captivated millions.
Potential Biosignatures on Mars
NASA scientists have revealed that samples collected by the Perseverance rover from Jezero Crater may hold the best chance yet of uncovering evidence of past microbial life. The samples, taken from the rock formation kn...
Potential Biosignatures on Mars
NASA scientists have revealed that samples collected by the Perseverance rover from Jezero Crater may hold the best chance yet of uncovering evidence of past microbial life. The samples, taken from the rock formation kn...
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September 12, 2025 • 20 mins
Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we explore fascinating insights into the origins of Earth's water, the launch of I...
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we explore fascinating insights into the origins of Earth's water, the launch of I...
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September 10, 2025 • 20 mins
Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we delve into some astounding revelations in solar physics and planetary science, ...
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we delve into some astounding revelations in solar physics and planetary science, ...
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September 8, 2025 • 23 mins
Sponsor Details:
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we uncover groundbreaking discoveries in planetary science and solar physics, incl...
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!
In this episode of SpaceTime, we uncover groundbreaking discoveries in planetary science and solar physics, incl...
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September 5, 2025 • 36 mins
In this episode of SpaceTime, we uncover some of the most exciting discoveries and developments in the universe, including the detection of the brightest fast radio burst ever observed, the New Horizons spacecraft's record-setting hibernation, and an innovative method for generating oxygen in space.
Brightest Fast Radio Burst Detected
Astronomers have identified what is being hailed as the brightest fast radio burst (FRB) ever record...
Brightest Fast Radio Burst Detected
Astronomers have identified what is being hailed as the brightest fast radio burst (FRB) ever record...
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September 2, 2025 • 23 mins
In this episode of SpaceTime, we explore the latest developments in space exploration, including the European Space Agency's Juice mission, NASA's Psyche spacecraft, and groundbreaking advancements in lunar resource utilization.
Juice Mission Back on Track
The European Space Agency's Jupiter Icy Moons Explorer, Juice, is set for a critical flyby of Venus after overcoming a communications anomaly that temporarily severed contact with ...
Juice Mission Back on Track
The European Space Agency's Jupiter Icy Moons Explorer, Juice, is set for a critical flyby of Venus after overcoming a communications anomaly that temporarily severed contact with ...
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September 1, 2025 • 33 mins
In this episode of SpaceTime, we delve into thrilling advancements in space exploration, including a remarkable test flight of SpaceX's Starship, groundbreaking insights into Mars, and a classified mission from the United States Space Force.
Starship's Spectacular Test Flight
After overcoming numerous challenges, SpaceX's Starship has successfully completed its 10th test flight, launching from Texas and splashing down in the Indian O...
Starship's Spectacular Test Flight
After overcoming numerous challenges, SpaceX's Starship has successfully completed its 10th test flight, launching from Texas and splashing down in the Indian O...
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August 29, 2025 • 18 mins
This episode is brought to you by the support of Insta360 - the leaders and innovators in portable 360 Photography. And they have just released the all new UltraGo...the take anywhere camera. Get all the details by visiting store.insta360.com and use the promo code SPACETIME at checkout for our special listener offer.
In this episode of SpaceTime, we explore groundbreaking discoveries and developments in the realm of astrophysics a...
In this episode of SpaceTime, we explore groundbreaking discoveries and developments in the realm of astrophysics a...
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August 26, 2025 • 20 mins
This episode of SpaceTime is brought to you by Insta360's newest camera, the GoUltra. To get more details on this go anywhere camera, visit store.insta360.com and for our special offer use the code SPACETIME at checkout.
In this episode of SpaceTime, we uncover the mysteries lurking in the cosmos, from a rogue supermassive black hole to a meteorite crash in Georgia, and the origins of asteroids Bennu and Ryugu.
An Invisible Monster i...
In this episode of SpaceTime, we uncover the mysteries lurking in the cosmos, from a rogue supermassive black hole to a meteorite crash in Georgia, and the origins of asteroids Bennu and Ryugu.
An Invisible Monster i...
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August 25, 2025 • 27 mins
This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GoUltra. For a special offer, visit store.insta360.com and use the promo code SPACETIME at checkout.
In this episode of SpaceTime, we explore thrilling recent discoveries and events in the cosmos, including close encounters with asteroids, a newly discovered moon around Uranus, and the cosmic dance of...
In this episode of SpaceTime, we explore thrilling recent discoveries and events in the cosmos, including close encounters with asteroids, a newly discovered moon around Uranus, and the cosmic dance of...
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August 21, 2025 • 19 mins
In this episode of SpaceTime, we delve into intriguing new research that challenges our understanding of Earth's climatic history, the discovery of a rare astronomical phenomenon, and China's advancements in lunar exploration.
Did a Comet Trigger the Younger Dryas Cool Off?
A groundbreaking study has emerged suggesting that a massive comet may have instigated Earth's Younger Dryas cool off event, traditionally attributed to glacial m...
Did a Comet Trigger the Younger Dryas Cool Off?
A groundbreaking study has emerged suggesting that a massive comet may have instigated Earth's Younger Dryas cool off event, traditionally attributed to glacial m...
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August 19, 2025 • 22 mins
In this episode of SpaceTime, we explore the latest revelations from the cosmos, featuring the intriguing interstellar comet 3I Atlas, a groundbreaking theory about our place in the universe, and the safe return of SpaceX Crew 10.
The Enigmatic Comet 3I Atlas
Astronomers utilizing NASA's Hubble Space Telescope have captured the sharpest images yet of the interstellar comet 3I Atlas, revealing a solid icy nucleus estimated to measure ...
The Enigmatic Comet 3I Atlas
Astronomers utilizing NASA's Hubble Space Telescope have captured the sharpest images yet of the interstellar comet 3I Atlas, revealing a solid icy nucleus estimated to measure ...
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August 18, 2025 • 24 mins
In this episode of SpaceTime, we uncover the latest astronomical marvels and pressing concerns in space science.
The Cosmic Horseshoe: A Supermassive Discovery
Astronomers have potentially identified the most massive supermassive black hole ever discovered, dubbed the Cosmic Horseshoe, which is estimated to be around 36 billion times the mass of our Sun. Located approximately 5 billion light years away, this colossal black hole disto...
The Cosmic Horseshoe: A Supermassive Discovery
Astronomers have potentially identified the most massive supermassive black hole ever discovered, dubbed the Cosmic Horseshoe, which is estimated to be around 36 billion times the mass of our Sun. Located approximately 5 billion light years away, this colossal black hole disto...
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August 14, 2025 • 17 mins
In this episode of SpaceTime, we journey through the latest advancements in space exploration and cosmology, featuring a groundbreaking radar mission, a new hypothesis on the universe's origins, and updates on the International Space Station.
NISAR: A New Era in Earth Observation
The Indian Space Research Organisation (ISRO) has successfully launched the NISAR satellite, a joint mission with NASA that promises to revolutionise our un...
NISAR: A New Era in Earth Observation
The Indian Space Research Organisation (ISRO) has successfully launched the NISAR satellite, a joint mission with NASA that promises to revolutionise our un...
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August 13, 2025 • 31 mins
In this episode of SpaceTime, we delve into the cosmic drama unfolding in our universe, featuring a doomed exoplanet, new revelations about Mars, and the latest crew aboard the International Space Station.
The Death Spiral of TOI 2109b
Astronomers are closely monitoring the death spiral of TOI 2109b, an exoplanet located over 870 light-years away. This gas giant, nearly five times the mass of Jupiter, completes an orbit around its ho...
The Death Spiral of TOI 2109b
Astronomers are closely monitoring the death spiral of TOI 2109b, an exoplanet located over 870 light-years away. This gas giant, nearly five times the mass of Jupiter, completes an orbit around its ho...
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August 11, 2025 • 20 mins
In this episode of SpaceTime, we explore groundbreaking discoveries and ambitious plans in the realm of space exploration.
The Most Distant Black Hole: Casper's Lidz 9
Astronomers have identified the most distant black hole ever observed, known as Casper's Lidz 9, dating back 13.3 billion years to a time when the universe was only half a billion years old. This supermassive black hole, weighing in at approximately 300 million solar m...
The Most Distant Black Hole: Casper's Lidz 9
Astronomers have identified the most distant black hole ever observed, known as Casper's Lidz 9, dating back 13.3 billion years to a time when the universe was only half a billion years old. This supermassive black hole, weighing in at approximately 300 million solar m...
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August 8, 2025 • 21 mins
In this episode of SpaceTime, we uncover intriguing discoveries about Mars, the cosmos, and the latest advancements in space technology.
Martian Glaciers: Pure Water Ice
Recent research reveals that Martian glaciers are composed of over 80% pure water ice, challenging previous assumptions that they were primarily rocky. This groundbreaking study, led by Yuval Steinberg from the Weizmann Institute, utilized standardized measurements t...
Martian Glaciers: Pure Water Ice
Recent research reveals that Martian glaciers are composed of over 80% pure water ice, challenging previous assumptions that they were primarily rocky. This groundbreaking study, led by Yuval Steinberg from the Weizmann Institute, utilized standardized measurements t...
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