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Earth's oldest rocks found in Western Australia

Zircon crystals from Western Australia confirmed to be 4.374 billion years old. Also; the weird pulsar that's raising new questions about astrophysics, and birth of a molecular gas cloud seen for the first time.

 Duration: 00:30:11; File size: 27MB 703kb


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Making square nebulae from round stars 

Study reveals how spherical stars turn into aspherical nebulae. Also; a new way to predict volcanic eruptions, and NASA solves the mystery of the Martian doughnut.

 MP3 (00:29:59; 27Mb 463kb)



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Oldest known star reveals early Universe

Discovery of oldest star yet seen provides snapshot of conditions in early Universe. Also; ancient cosmos heated up more slowly than predicted, and a new way to search for dangerous near-Earth asteroids.

  • MP3 (00:29:58; 27Mb 457kb)


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Wobble gives ancient stars away

A group of ancient stars discovered deep within the Milky Way. Also; water detected on the dwarf planet Ceres, and one of the nearest supernovae bursts into life in galaxy M82.

 Duration: 00:29:59; File size: 27MB 509kb


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Rosetta awakens for comet landing

European spacecraft on target to rendezvous and land on a comet. Also; astronomers discover the third closest star system to the Sun, and hypervelocity stars fast enough to leave the Milky Way galaxy.



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Has liquid water been found on Mars?

More evidence that liquid water from melting permafrost appears to be flowing on Mars. Also; China lands its first lunar rover on the Moon, and we review our top astronomical stories of 2013.



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Dust mystery surrounds first stars

The early Universe had little dust, so how did the first stars form? Also; blackholes, worm holes and quantum gravity; and freshwater lakes capable of supporting life once existed on Mars.



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Going, going, gone: the tale of Comet ISON

Comet ISON's long journey finally over. Also; studying the coolest science in the Universe, and China shoots for the Moon.



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Extragalactic neutrinos open new window on Universe

High energy cosmic rays from another galaxy detected. Also; astronomers witness one of the most powerful explosions ever seen, and hydrogen key to Earth-like conditions on early Mars.



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MAVEN to investigate Mars' water mystery

NASA's MAVEN mission to search for clues as to why Mars' water disappeared. Also; new evidence points to liquid magma oceans on ancient Mars, and atoms discovered in jets beaming out of black holes.

 Duration: 00:30:03; File size: 27MB 520kb


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