The quantity of small plastic fragments floating in the North Pacific Ocean has increased a hundred fold over the past 40 years.

The unusual sight of humpback whales intervening in a killer whale hunt has been caught on camera by a BBC/National Geographic film crew.

The smallest mammoth ever known to have existed roamed the island of Crete millions of years ago, researchers say.

India's Supreme Court directs the government to suspend a move to reintroduce the cheetah, eradicated by hunting nearly a century ago.

Wind turbines at 16 schools in the Highlands have been turned off amid concerns about the planning and installation of the devices.

South Africa confiscates assets worth nearly $7m (£4m) from three suspected rhino poachers - two of whom are vets, police say.

A simple drawing test may help predict the risk of older men dying after a first stroke, a study in the journal BMJ Open suggests.

Emergency legislation is passed by Scottish ministers to prevent fishing in the Dalgety Bay area of Fife.