Oxygen may have been accumulating in Earth's atmosphere hundreds of millions of years earlier than we thought, according to a study of the oldest soils on Earth.

The first working computer built with carbon nanotubes instead of silicon has been unveiled by scientists in California, and is named "Cedric".

Attempts to maintain biodiversity in the world's oceans could be targeting the wrong areas, according to scientists.

Some of Europe's key animals have made a comeback over the past 50 years, a report suggests.

China expects to complete its first orbiting space station within a decade and be able to send crews of up to six people for short-term missions.

UK Conservatives and Green MEPs criticise a major reform of EU farm payments, saying the system needs to be fairer and greener.

The speckled sea louse, a marine cousin of the wood louse, has two body clocks - one for time and other for tides, scientists at Aberystwyth University claim.

Ash trees in the UK already threatened by a fungus could experience a double whammy with the arrival of an insect pest from the east.