Researchers demonstrate the tiniest electric motor ever designed - made from a single molecule on a copper surface.

A bacterium found in soil is showing promise as a way of delivering effective cancer drugs into tumours.

New pictures reveal the extent to which a huge glacier in northern Greenland has broken up in just two years, claims a glaciologist.

Injecting modified bacteria - related to those which cause tuberculosis - has the potential to protect against the lung disease, say US scientists.

Male fiddler crabs use their giant claws to keep cool as well as attract mates, say scientists.

The body of a blue shark has been found washed up on a Western Isles' beach by an RSPB conservation officer.

Tanks could soon be getting help to hide thanks to an invisibility cloak that masks their infra-red signature.

A group of scientists and engineers is working on an ambitious project to revive a unique UK satellite - still in orbit after almost 40 years.