The Nasa Messenger probe's observations of Mercury show the planet is even more of an "iron planet" than scientists thought. Full story...
The massive and apparently stable East Antarctic ice sheet is losing mass, a new study suggests.
The USSR's first civilian cosmonaut, Konstantin Feoktistov, a crew member of the 1964 Voskhod spaceship, dies.
Researchers working on the Large Hadron Collider are delighted with the progress made since the machine restarted.
A European satellite launched to study the Earth's water cycle returns its first data, confirming its novel instrument is working well.
Fish reared in water acidified by CO2 may become "fatally attracted" to the smell of their predators, say scientists.
The Large Hadron Collider experiment, designed to shed light on the cosmos, restarts after 14 months of repairs.
The e-mail system of one of the world's leading climate research units has been breached by hackers.
Two of the longest-serving instruments from the Hubble telescope have taken up residence in a museum in the US.
French researchers say they have found a way of using human embryonic stem cells to create new skin which could help serious burns victims.
A study of mammoth dung has helped unravel the mystery of what caused the great mammals to die out.
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