The latest stories from the Science & Environment section of the BBC News web site.
Updated: 4 min 14 sec ago
Ocean exploration is going further than ever
Diamond, nature's hardest material, has been crushed to record extremes using the "world's biggest laser".
A new helmet that allows pilots to see in the dark via an integrated night vision camera is unveiled at the Farnborough Airshow.
The scientist Prof Stephen Hawking has said he supports a Bill to legalise assisted dying, ahead of a debate in the House of Lords.
After leaders of the billion-euro Human Brain Project hit back at critics, six top neuroscientists have expressed "dismay" at their public response.
The Aids epidemic can be brought under control by 2030, according to a report by the United Nations Aids agency.
New science minister Greg Clark says his brief is to continue the "excellent work" of his predecessor David Willetts.
Hundreds of bird-watchers flock to the Norfolk coast in the hope of catching a rare glimpse of a migratory great knot in British waters.
Nearly half of the British people do not know what fracking is, says Vivienne Westwood in a personal film
A marine biologist says the "horrific" sight of 55 sharks washed up on a Gower beach may be the result of trawling.
A climate-sceptic group founded by former Conservative Chancellor Lord Lawson is to relaunch after a complaint about its charitable status.
The largest ever four-winged dinosaur has been discovered in China, with remarkably long feathers on its hindwings and tail.
Carbon dioxide turned into food for farmed fish
The search for life on other planets has long inspired science fiction novelists and Nasa missions but could one of Jupiter's moons, Europa, provide proof?
Europe develops advance unmanned combat planes
Europe's Rosetta probe acquires some sensational new images of its comet quarry, showing what appears to be two distinct parts in contact with each other.
Does disappearance of wild honeybees matter?
Greg Clark has a tough act to follow as the new science and universities minister, commentators say.
A location on the remote Ardnamurchan peninsula in the north west Highlands has been designated as a Scottish wildcat sanctuary.
Can we really have a British spaceport by 2018?