The latest stories from the Science & Environment section of the BBC News web site.
Updated: 1 hour 48 min ago
An exceptionally bright supernova that baffled scientists has been explained - its light is amplified by another galaxy acting as a "lens".
Skin grown in the laboratory could replace animals in drug and cosmetics testing, according to UK scientists.
An elaborately decorated gourd thought to contain the blood of French King Louis XVI may not be authentic, scientists say.
The lethal realities of life in Virunga National Park are the subject of a British documentary which has just had its world premiere at the Tribeca Film Festival in New York.
The director of a UK science facility says it could set a new world record in nuclear fusion by the end of the decade.
Can energy grids cope with demand and volatile supply?
A new study has found that deer on the border between the Czech Republic and old West Germany still stick to their sides despite the barrier having vanished long ago.
Forest protection schemes make little progress
A red squirrel at a conservation centre in Norfolk stuns wardens by producing her 48th kitten in six years.
The mystery of a bizarre quacking sound often heard in the Southern Ocean has finally been solved, scientists report.
A visualisation showing where sizeable asteroids have hit the Earth in recent years has been released by the B612 Foundation.
The Scottish SPCA's new national wildlife rescue centre released nearly 2,800 injured animals back into the wild in 2013.
A major wild salmon producer says it is giving up the culling of seals after protests at a harbour in the north east of Scotland.
Scientists have outlined how they managed to make the wonder material graphene using a kitchen blender.
Hitachi says it will install a lift capable of reaching speeds of 72km/h (45mph) into a skyscraper in Guangzhou, southern China.
A leading British naturalist accuses Malta of failing to prevent large-scale illegal shooting of migratory birds by hunters.
Wildlife expert Chris Packham and Sergei Golovkin from Malta's Wild Birds Regulation Unit discuss the number of illegal bird hunters operating in Malta.
How can a person endure clinging to a plane wheel?
For the first time in its history, the Environment Agency assesses the state of all flood defences in England following 'unprecedented' winter storms.