A long-standing idea that languages share universal features dictated by human brain structure is cast into doubt.

Recordings of male humpback whales have shown that the mammals' haunting songs spread like trends through the ocean.

Mercedes the polar bear is "put to sleep" after a "recent rapid deterioration in her welfare", it is announced.

Air pollution is damaging 60% of Europe's prime wildlife sites in meadows, forests and heaths, a team of scientists warns.