Orangutans choose the best building materials to engineer the most structurally sound and comfortable nests, according to researchers.

The first cargo resupply mission to the space station to be carried out by a commercial operator is likely to be on 30 April, the US space agency says.

A controversial technique to extract shale gas, known as fracking, should resume in the UK with measures to minimise earthquakes, a government-appointed panel of experts recommends.

South Korea says it will end its search for debris from North Korea's failed rocket launch, a day after the UN condemned Pyongyang's action.

The retired space shuttle Discovery makes a dramatic flypast over the centre of the US capital, as it heads to retirement in a national museum.

Proposals to require people carrying out home improvements to pay more for energy upgrades "will not happen", say Downing Street sources.

Road pollution is more than twice as deadly as traffic accidents, according to a new study of UK air quality and its impacts.

Big picture celebrates Hubble's 22nd birthday