Stardust set for comet rendezvous
Comet encounter Scientists and technicians in Australia and the United States are making final preparations for tomorrow afternoon's close encounter
Scientists unlock cosmic ice riddle
Strange substance Scientists have discovered the mechanism behind an unusual material that shrinks when heated and expands when compressed.
CO2 gets Martian sand dunes moving
Red dunes Sand dunes surrounding the North Pole of Mars are on the move, powered by carbon dioxide, a finding that has surprised planetary scientists
Kepler dramatically boosts exoplanet count
Planet bonanza A NASA telescope taking a nose count of planets in one small neighbourhood of the Milky Way has found more than 1200 candidates, inclu
Saturnian moon's ocean full of gas
Fizzy water New data from NASA's Cassini spacecraft indicates the Saturnian moon Enceladus may have a fizzy ocean capable of harbouring life.
Telescope spots 'oldest galaxy' yet seen
Far, far away The Hubble telescope has detected what astronomers think may be the oldest galaxy ever observed.
Pushing the telescope to its
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