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

A deal was signed giving South Korean scientists exclusive rights on cloning the woolly mammoth from tissue samples found recently in the Siberian permafrost. 

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

Plan for surrogate mare to give birth and bring back to life long-gone species in Russia’s coldest region.

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

This is the first picture of mammoth bone marrow from which scientists are seeking to extract DNA to bring the extinct giant back to life.

Exclusive footage of pioneering work by Russian and South Korean scientists finding oldest blood ever discovered from deep in the Ice Age.

Kerechene was laboratory-made in South Korea by scientists who also want to genetically engineer the return of the woolly mammoth.

The prospects of a cloned mammoth is nearer after the sensational discovery of 'living cells' from the ancient creatures in northern Siberia.

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