Remains from the Zhokhov island in the East Siberian Arctic show trained sled dogs existed almost 10,000 years ago.
Doctors fought in vain to save Alexander Stakhanov, 35, on the frozen surface of the world's deepest lake.
Total of 110,000 tonnes sent to Europe across the new Northern Sea Route.
With partial shells, this intriguing new fossil find in modern-day Yakutia shows this northern polar region in Cretaceous times was not….cold.
Feeling ill during foreign assignment, she was sent alone on 300 km train journey less than 48 hours before she died of serious blood infection.
Zookeepers nurture cotton-top tamarin neglected by adults.
The Japanese government is to provide financial assistance for a joint helium-production project, says newspaper The Daily Yomiuri.
Worried about the rapid destruction of permafrost from global warming? Here's how you can counter it by restoring the woolly mammoth habitat.
Sensational find of head of the beast with its brain intact, preserved since prehistoric times in permafrost.
Startling new evidence of thawing of glacial ice in less than six decades, with process speeding in last ten years.