The latest stories from the Science & Environment section of the BBC News web site.
Updated: 58 min 36 sec ago
Farmland birds are at their lowest levels since records began, according to government figures.
A plan to cut CO2 by 40% from 1990 levels is likely to be agreed by EU leaders despite the threat of a veto from Poland.
A significant Bronze Age pottery find is made during an archaeological dig on the east side of Lewis, in Scotland.
Different paths taken by Bristol and Glasgow
Wild chimps carry out night time crop raids, footage reveals, suggesting the animals are being pushed into more risky behaviour.
Footage reveals wild chimps on night-time crop raids
Two dinosaur skeletons have been unearthed in Mongolia, solving a mystery that has baffled palaeontologists for 50 years.
Australian photographer explores Greenland
Expanding coal mining operations along the Queensland coast could threaten Australia's treasured Great Barrier Reef.
DNA analysis of a 45,000-year-old human has helped scientists pinpoint when our ancestors interbred with Neanderthals.
Roman gladiators had a diet that was mostly vegetarian, according to an analysis of bones from a graveyard where the fighters were buried.
An elephant calf has been air rescued after he fell down a well in the remote region of Milgis Lugga in Northern Kenya.
A black and white image of lions resting on a rock outcrop in the Serengeti has won the 2014 Wildlife Photographer of the Year award.
Researchers reveal that the same physical mechanism is behind many of nature's most dazzling shines.
The UK's wind farms generated more power than its nuclear power stations on Tuesday, the National Grid says.
Treatments to tackle the Ebola outbreak in West Africa should become available in the coming weeks and months, says the World Health Organization.
Scientists have turned a laser into a reversible "tractor beam" that can repel or attract objects.
US team develop a robot that can send back live pictures from the Moon as part of attempt to win Google's Lunar X-Prize.
Audi says one of its self-drive test cars topped 149mph (240km/h) at a race track in Germany, beating a human-driven version.
The EU's decision to ban the use of some pesticides could threaten UK crops, increase food prices and hit farmers' profits, a report claims.