Remarkable images show a test tube blood sample from a female of the long-extinct species.
Puppies are 'designer' animals bred by South Korean cloning laboratory, but they flunked test in 13 simple skills for Russian police dogs.
Kerechene was laboratory-made in South Korea by scientists who also want to genetically engineer the return of the woolly mammoth.
Samples taken from cubs frozen in permafrost for at least 12,000 years.
Plan for surrogate mare to give birth and bring back to life long-gone species in Russia’s coldest region.
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.
The young beast's head was resting on a paw in frozen ground for up to 50,000 years, shows amazing first picture.
Exclusive footage of pioneering work by Russian and South Korean scientists finding oldest blood ever discovered from deep in the Ice Age.
Examination of ancient cave lion cub offers prospect of 'oldest-ever breast milk'.