The latest stories from the Science & Environment section of the BBC News web site.
Updated: 11 min 10 sec ago
The great British tradition of conker fighting is under threat because of an infection which is being spread through the country by a moth - which eats horse-chestnut trees.
Australia names Dr Alan Finkel as its next chief scientist, an engineer and vocal advocate of nuclear power who set out a vision of a future with "no oil, gas or coal".
Rock star Brian May's request for a judicial review into the legalities of badger culling is rejected.
Take a coffee plant and some volcanic soil, keep indoors for a while and despite the cold, you could have Northern Ireland-grown coffee.
A supermarket in London is shocking customers by selling live crabs wrapped in plastic. But do crabs actually feel pain?
The deadly quake in Afghanistan and Pakistan was large but mercifully deep, according to geoscientists studying the area.
More than 150 people are reported killed after a major earthquake hits north-east Afghanistan and Pakistan, with many more injured.
Processed meats - such as bacon and ham - do cause cancer, according to the World Health Organization.
The Welsh island of Anglesey has wiped out grey squirrels
Tributes are paid to the historian and biographer Lisa Jardine following her death at the age of 71 from cancer.
Watch as an ash tree is felled and part of the wood is turned quickly into a spoon in this 60-second time lapse.
Arctic sea-ice volume during the first two weeks of October was about 6,200 cubic km, according to the Cryosat spacecraft - tracking down from the high in 2013.
Can you make a moral case for eating meat?
BBC News NI's Conor Macauley joins a group of volunteers from Copeland Bird Observatory to record seals on the County Down coastline.
Archive footage has been uncovered of a group of beavers being parachuted into wilderness in the US.
Climate negotiations in Bonn proceed slowly, with the ghost of Copenhagen in attendance.
Warmer temperatures are threatening to shrink the habitat of the snow leopard, the big cat already struggling against extinction, a report says.
An image of Kerberos, one of the two tiny moons of Pluto, arrives from Nasa's New Horizons probe.
The BBC's Roger Harrabin explains how the climate change talks in Bonn work and who is there.
An "extremely rare" half male, half female butterfly is found in Hertfordshire.