Discovery of blood in creature frozen for 43,000 years is seen as major breakthrough by international team.
Video and pictures show experts conducting initial autopsy on the extinct creature preserved by permafrost.
New Russian national park, aimed at saving endangered big cats has won praise from Prince Michael of Kent.
Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.
Remarkable images show a test tube blood sample from a female of the long-extinct species.
Oil slicks, sewage, industrial waste and rubbish floating sea is harming wildlife and could lead to marine crisis.
Almost 1,300 bones of 13 species of mammals unearthed at new site on Gydan peninsula aged between 10,000 and 50,000 years old.
Radiation expert says radon gas is not to blame, as anxious residents open their hearts about the difficult decision to leave the place they call home.