Unique research station in the remote taiga is used by scientists worldwide to measure if man is behind climate change.
Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.
Scientists close to precise dating of the Shigir Idol, twice as ancient as the Egyptian Pyramids.
Thousands of years ago woolly mammoths came here to die: but why? The macabre ancient remains haunt local residents to this day.
Satellites show giant hole ringed by 20 'baby craters'.
Scheme would allow epic journeys from London to the Japanese capital with major international crossing between Sakhalin and Hokkaido.
Remarkable images show a test tube blood sample from a female of the long-extinct species.