Three prisoners who escaped from the US island prison Alcatraz in 1962 may have made it to land alive, a new study suggests.

Two cool summers in a row have now allowed the pack ice in the Arctic to increase and then hold on to a good deal of its volume.

A male northern white rhinoceros named Angalifu has died at the San Diego Zoo in California, leaving only five of the species in the entire world.

Somerset is home to England's largest bittern population, the Royal Society for the Protection of Birds says.

Denmark makes a claim to the UN, arguing the area around the North Pole is linked to the continental shelf of Greenland, its autonomous territory.

Satellite data reveals that the most dense stores of carbon in Amazonia is not above ground in trees but below ground in peatlands.