Most seagrass meadows around the British coast are in a poor condition, say scientists.

A prehistoric giraffe that died out 10,000 years ago might have been the largest ruminant that walked the Earth.

A vast, previously unrecognised canyon system could be hidden under the Antarctic ice sheet, say scientists.

A scientist is making her case to be the first in the UK to be allowed to genetically modify human embryos.

The next ice age may have been delayed by more than 50,000 years because of the greenhouse gases put in the atmosphere by humans, scientists in Germany say.