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SpaceTime with Stuart Gary

SpaceTime with Stuart Gary

Stuart Gary 1000 Episodes Sep 4, 2026

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.

Episodes

Discovering Blazars and SpaceX's New Spaceport
Discovering Blazars and SpaceX's New Spaceport Sep 4, 2026 1134 SpaceTime Series 29 Episode 106 The most distant Blazar ever seen Astronomers have detected the most distant blazar ever recorded. The blazar -- catalogued as OP 313 was detected some 8 billion light years away. Did the motion of an ocean carve Enceladus's tiger stripes? A new study suggests the iconic tiger stripes at the south pole of the Saturnian ice moon Enceladus may have been formed by ocea
Martian Waters and Cosmic Secrets: Unravelling Mars' Ancient Liquid History
Martian Waters and Cosmic Secrets: Unravelling Mars' Ancient Liquid History Sep 2, 2026 1422 SpaceTime Series 29 Episode 105 More evidence Mars once had liquid water More than 20 years after NASA's Mars Spirit rover landed on the red planet scientists have uncovered new evidence that suggests liquid water – essential for life as we know it -- may once have covered large parts of the Martian surface. Are mysterious little red dots hiding something big A new study claims mysterious Little
Martian Mysteries and Stellar Journeys: Unveiling the Red Planet's Thermal Anomaly
Martian Mysteries and Stellar Journeys: Unveiling the Red Planet's Thermal Anomaly Aug 31, 2026 1466 SpaceTime Series 29 Episode 104 Strange anomaly discovered below the Martian south pole Astronomers have discovered a strange thermal asymmetry deep beneath the surface of the Martian southern hemisphere. Starship bound for home Starship 40 has finally left Australian waters bound for home. The orbiter used for SpaceX test flight 13 has been loaded aboard the 48,000-tonne semi-submersible vessel F
Microbial Hitchhikers: Contamination Risks on the Moon and Mars
Microbial Hitchhikers: Contamination Risks on the Moon and Mars Aug 28, 2026 2105 SpaceTime Series 29 Episode 103 *Warnings that some Earth microbes could contaminate the Moon NASA says some of Earth's microbes hitching a ride to space with human explorers could survive in the shaded nooks and crannies of the Moon's South Pole contaminating the otherwise pristine environment. *China’s first reusable rocket China has finally landed a reusable rocket in one piece. *Russia develo
Stellar Salvage: SpaceX's Starship Recovery and the Age of the Universe
Stellar Salvage: SpaceX's Starship Recovery and the Age of the Universe Aug 26, 2026 1676 SpaceTime Series 29 Episode 102 *SpaceX’s Starship arrives at Christmas Island After some 24 days at sea, a SpaceX recovery team has successfully towed its test flight 13 Starship into the remote Australian Indian Ocean territory of Christmas Island.  The unplanned operation was hastily put together after the spacecraft unexpectedly held together following its splashdown off the Western Australia
Cosmic Collisions and Gluon Mysteries: NASA's Swift Mission Scrapped
Cosmic Collisions and Gluon Mysteries: NASA's Swift Mission Scrapped Aug 24, 2026 1511 SpaceTime Series 29 Episode 101 *NASA scraps its Swift rescue mission NASA has been forced to abandon its planned rescue mission to save the Swift Gamma Ray Space Telescope. *The Milky Way’s first big galactic collision Astronomers have discovered what was probably the first major galactic collision involving our home galaxy the Milky Way cannibalising a dwarf galaxy less than two billion years a
Cosmic Ingredients: Planet Formation, Axion Searches, and NASA's Swift Mission
Cosmic Ingredients: Planet Formation, Axion Searches, and NASA's Swift Mission Aug 21, 2026 1255 SpaceTime Series 29 Episode 100 The ingredients for planets formed far earlier than thought A new study suggests that the basic ingredients needed to form planets - and possibly life - may have existed just a hundred million years after the big bang -- far earlier in the history of the Universe than previously thought. Hunting for the hypothetical axion For years scientists have been hunting for
Cosmic Dawn Discoveries: Black Hole Stars and Mars' Hidden Water
Cosmic Dawn Discoveries: Black Hole Stars and Mars' Hidden Water Aug 19, 2026 1655 SpaceTime Series 29 Episode 99 Discovery of black hole stars at the cosmic dawn Astronomers have suggested mysterious objects from the dawn of time known as little red dots may represent an entirely new type of cosmic phenomenon which they’re calling black hole stars. Claims Mars could have had liquid water less than a billion years ago A new study claims Mars may have had liquid water flowing acr
Unveiling the Universe: Three Black Holes and a New UFO Taskforce
Unveiling the Universe: Three Black Holes and a New UFO Taskforce Aug 18, 2026 1536 SpaceTime Series 29 Episode 98 Three supermassive black holes discovered in a single galaxy for the first time Astronomers have for the first time, discovered a galaxy near the dawn of time containing three monster black holes. A new White House advisory body on UFOs The pentagon has just released its latest batch of X-files looking at unexplained phenomena and strange happenings.  The release f
Moon Crashes, Radiation-Eating Fungi, and the Quest for Habitable Worlds
Moon Crashes, Radiation-Eating Fungi, and the Quest for Habitable Worlds Aug 14, 2026 1222 SpaceTime Series 29 Episode 97 The world watches as a SpaceX rocket crashes into the Moon A disused SpaceX Falcon 9 upper stage has crashed into the Moon providing astronomers with useful data on the effects of impacts hitting the lunar surface. The radiation eating mutant fungus from Chernobyl Scientists say there’s a black fungus in the highly radioactive ruins of the Chernobyl power station t
Galactic Giants: Unveiling the Mysteries of IC 1101 and Liquid Streams on Pluto
Galactic Giants: Unveiling the Mysteries of IC 1101 and Liquid Streams on Pluto Aug 13, 2026 1280 SpaceTime Series 29 Episode 96 The largest known galaxy in the universe Astronomers have taken the deepest images yet of the largest known galaxy in the universe – a behemoth called IC 1101 located at the heart of the galaxy cluster Abell 2029. Evidence of streams flowing on Pluto Astronomers have found the first ever evidence of liquids flowing across the surface of the distant frozen world of P
Vortices of the Sun and the First Gravitational Waves from Black Hole Mergers: A Cosmic Breakthrough
Vortices of the Sun and the First Gravitational Waves from Black Hole Mergers: A Cosmic Breakthrough Aug 12, 2026 1897 SpaceTime Series 29 Episode 95 Spectacular vortices discovered on the Sun’s surface Astronomers have for the first time observed swirling whirlpool like vortices deep in the Sun’s photosphere – its visible surface. The event horizon of merging black holes seen for the first time Astronomers have for the first time picked up gravitational waves from the event horizon during the actual merger of tw

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