The world's oldest water, which is locked deep within the Earth's crust, is present at a far greater volume than was thought, scientists report.

Fewer than half the target number of badgers were killed in this year's cull in Gloucestershire, Defra announces.

A link between autism and air pollution during pregnancy has been suggested by scientists.

People in the UK are using less energy, even though the economy is growing, new figures confirm.

Populations of most of Britain's bat species are stable or increasing following previous years of decline, report says.