Designers at Cardiff University say they have built a low-cost, zero-carbon house - just the sort of home Chancellor George Osborne once described as impossible.

Scientists discover a winged dinosaur - an ancestor of the velociraptor - that they say was on the cusp of becoming a bird.

A genetically modified moth could help curb a major pest of vegetable crops around the world, research suggests.

The US and Russia are among five countries to sign a deal to prevent commercial fishing in the melting Arctic sea ice near the North Pole.

Polar bears are unable to adapt their behaviour to cope with the food losses associated with warmer summers in the Arctic.