The number of tigers in India's wild has gone up by 20%, according to the latest tiger census, which has surveyed the whole of India for the first time.

Japan's government strongly criticises a data error from the Fukushima nuclear plant, as a 6.5-magnitude quake prompts a brief tsunami warning.

More than 1,500 oil-soaked northern rockhopper penguins are in a rehabilitation centre on Tristan da Cunha island, says RSPB.

A movie is made on the space station that tries to show what Yuri Gagarin might have seen on his historic first flight around the Earth in 1961.

Highly radioactive water has been found for the first time outside one of the reactor buildings at Japan's quake-hit Fukushima nuclear plant, officials say.

Harry Coover, who is known for the creation of Super Glue, dies at the age of 94 in Tennessee

China is on course to overtake America in scientific output possibly as soon as 2013, far earlier than expected, a UK study suggests.