Two dinosaur skeletons have been unearthed in Mongolia, solving a mystery that has baffled palaeontologists for 50 years.

Wild chimps carry out night-time crop raids, footage reveals, suggesting the animals are being pushed into risky foraging behaviour.

A significant Bronze Age pottery find is made during an archaeological dig on the east side of Lewis, in Scotland.

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.

Farmland birds are at their lowest levels since records began, according to government figures.

The extinction of the biggest shark known to science may have triggered whales to grow to their current hefty sizes, a study suggests.

Small tags stuck to the undersides of baby loggerhead turtles are used to follow the animals' frenetic first hours.

Skywatchers in North America will be treated to the final eclipse of the year on Thursday.