Most northerly palaeolithic site found on Arctic island of Stolbovoy, part of lost continental link between Siberia and Alaska, believe scientists.

Many prehistoric creatures craved salt and vital minerals missing from their diets due to abrupt climate change, suggests a new scientific expedition.

Standing two metres tall, the giant deer was assumed to be extinct about 10,300 years ago, but new research finds it was still alive across Siberia.

Remarkable images show a test tube blood sample from a female of the long-extinct species. 

Samples taken from cubs frozen in permafrost for at least 12,000 years.

'Sensational' find of two cubs, the best preserved ever seen in the world, announced today.

Discovery of blood in creature frozen for 43,000 years is seen as major breakthrough by international team.

Aware of accounts of mysterious relic reptiles lurking in the deep, here are the first pictures from a record breaking dive.

A Moscow scientist is calling for a new scientific expedition to solve the mystery of a huge 'monster'.