Scientists challenge nature by adopting an endangered orphan kitten, aiming to release her into the wild.

200 metres wide thermocirque seen weeks after scientists find funnel in the Yamal peninsula, caused by build up of methane.

A new type of dinosaur? A predator, like a wolverine? Scientists puzzle over the new discovery.

Hope for millions around world with preparations under way for clinical trials on people starting next year.

Cameras reveal the underwater life of the sea lions of Yam Island, off the Magadan coast.

Remains of extinct 'Steppe Mammoth' could bring new leap in understanding of 200,000 year old creatures.

Subsidence from old coal mine a possible cause of latest mystery hole.

Discovery is 'in a location where dinosaurs confounded extinction, living for a few million years longer than elsewhere on the planet'.

Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.