Fresh blood discovery by scientists in remains of extinct creature as experts start research this month in hunt for live cells.

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

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

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

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

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

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

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.