The latest stories from the Science & Environment section of the BBC News web site.
Updated: 18 min 22 sec ago
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?
A study from US researchers suggests that friends are more genetically similar than strangers - to the same degree as fourth cousins.
The BBC's Pallab Ghosh reports from a potential spaceport site in north Wales, one of eight aerodromes to be shortlisted in the UK as a base for spaceplane flights.
Designing the inside of a 1,000mph car
A Space Exploration Technologies' Falcon 9 rocket has blasted off from Florida, after a two month delay.
Scores of giant African snails, still alive, have been seized by US customs agents at Los Angeles International Airport.
Is China revolutionising high-speed rail travel?
Astronomer Michael Merrifield says we are 'Pretty close' to finding life outside Earth
A rare bluefin tuna fish has been discovered by group of friends in Kingsand, Cornwall.
A group of kayakers tow a "monster" bluefin tuna fish to a Cornish beach after it is found floating in the sea.
Dolphin attacks on porpoises in Cardigan Bay leave marine scientists scratching their heads.
New Zealand approves mass poisoning to protect native wildlife.
Scientists looking for a new antibiotic are testing Welsh honey samples to see if they can provide a solution.