Primate's shift from nocturnal to daylight living probably spurned the emergence of social groups and hint at the origins of human social behaviour, scientists report.

The western black rhino in Africa has been declared extinct by the latest assessment of threatened species.

Workers at a US energy department facility have been exposed to plutonium during a clean-up operation, and are under medical supervision.

A National Trust for Scotland chief has set out a 'nightmare scenario' of crumbling castles in a new appeal for funds.

Scientists at the University of the West of England (UWE) in Bristol carry out research into producing electricity from urine.

An American is claiming the record for surfing the biggest wave ever, estimated at 90ft high, during a competition in Portugal.

The keeper charged with looking after the pandas at Edinburgh Zoo has spoken of her "trepidation" ahead of caring for the "iconic species".

Scientists discover a new way of communicating with brain damaged patients who appear to be in a vegetative state.