SpaceTime with Stuart Gary

SpaceTime with Stuart Gary

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.

Episodes

September 11, 2026 22 mins
SpaceTime Series 29 Episode 109 Witnessing the birth of a comet More than 5 billion kilometres from Earth, an ancient icy object is slowly awakening as a distant frozen world known as a Centaur transforming into an active comet. New mysteries about the moons of Neptune A new study has revealed that three of Neptune's inner moons may be the shattered remains of ancient icy worlds. NASA’s Roman Space Telescope blasts off bound...
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SpaceTime Series 29 Episode 108 Discovery of a new class of molten planet Astronomers have discovered a new type of molten planet beyond our Solar System. The mother of all solar storms New evidence in tree ring records is showing scientists that the Sun can become far more violent than previously thought. Two giant blobs of hot rock discovered on Earth’s core mantle boundary Scientists have discovered two immense, ultra-ho...
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SpaceTime Series 29 Episode 107 Have scientists glimpsed a hint of dark matter A new analysis from the LUX-ZEPLIN experiment has recorded a particle interaction that scientists are having great difficulty explaining. A new scenario describing the birth of the Moon A new study claims the Earth’s Moon could have formed within just five hours of the giant planetary collision that formed the binary system. Starship's first orbit...
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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 ocean waves. SpaceX to build the world&...
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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 Red Dots seen near the dawn o...
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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 Forte for the long journey back to S...
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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 develops a nuclear rocket motor Rus...
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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 Australian coast. *How old really...
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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 after the big bang. *Understan...
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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 a hypothetical elementary particle ...
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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 across its surface as recently a...
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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 follows the appointment of Harv...
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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 that’s now evolved to fe...
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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 Pluto. The Mars Curiosity rove...
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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 two black holes. St...
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SpaceTime Series 29 Episode 94 Black holes are a hundred times more powerful than we thought Astronomers have been forced to rewrite their textbooks on the power of supermassive black holes after new observations have shown that these cosmicmonsters can generate enough energy to impact galaxies hundreds of thousands of light years away. The dramatic collision the flipped our Milky Way galaxy A new study suggests that our home gal...
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SpaceTime Series 29 Episode 93 The strongest evidence yet that Betelgeuse is not alone Astronomers have finally demonstrated that the red supergiant star Betelgeuse has a binary companion star about two to three times the mass of the Sun. Is the mighty Andromeda galaxy dying A new study has found that star formation is winding down in our nearest big neighbouring galaxy Andromeda. The most volcanically active world in the Solar S...
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SpaceTime Series 29 Episode 92 The monster that’s been let out of its cage Astronomers have for the first time discovered a monstrous supermassive black hole wandering unseen near the edge of a galaxy. Counting down to next week’s solar eclipse Spain, Portugal, Iceland, Greenland Russia and the arctic are about to experience a total solar eclipse as the Moon’s shadow sweeps across the surface of the Earth. The S...
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SpaceTime Series 29 Episode 90 Discovery of an atmosphere on a planet orbiting a red dwarf Astronomers think they may have detected an atmosphere on a super-Earth exo-planet orbiting in the habitable zone of a nearby red dwarf star. How mega-dust storms and the Sun affect Martian weather A new study has found that solar storms hitting Mars at the same time as planetary wide dust storms could cause major changes in Martian weather....
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