Hunting for the real 'Planet X'
Ghostly planet Recent discoveries of exoplanets are raising the question whether astronomers have found all the planet-like objects in our own system
Elastic Earth tips poles back into place
Topsy-turvy Stress built up within the outer layer of the Earth helps snap our planet back into position whenever it strays from its rotational axis,
Curiosity draws a blank on Martian methane
No gas, no life? After more than a month of searching, scientists using NASA's rover Curiosity to study Mars' atmosphere have found no evidence that
Study puts solar system theory in a spin
Birth of dirt The first solids to form in our solar system appeared at the same time, more than 4.5 billion years ago, according to a new study.
Ancient supernovae bigger than modern ones
Big bangs Australian astronomers have detected two supernovae explosions up a hundred times more powerful than anything ever observed before.
Dark matter pioneer nets PM's science prize
PM's science prize A renowned astronomer who introduced the revolutionary concept of dark matter has been awarded one of Australia's top science priz
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