The discovery of an ice-preserved female mammoth comes amid a debate on whether scientists should try to recreate the species using DNA.

Examination of ancient cave lion cub offers prospect of 'oldest-ever breast milk'.

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

Tantalising studies now underway to establish if one of two carcases preserved by permafrost has traces of world's oldest mother's milk.

Lab-made dog was created from tiny fragment of its mom's ear by the South Korean team working at bringing back the woolly mammoth.

Unveiled: two extinct cave lions  - dug from the permafrost - make their first appearance since Pleistocene times.

Cloning hope after autopsy of 'pet' frozen in permafrost since pre-historic times.

Little cat is possible brother to ‘Boris’ found last year some 15 metres (50ft) away.

Infant lost its mother but 43,500 years later gives remarkable evidence that cavemen in prehistoric Europe were RIGHT to draw the species with spots.