Startling new details emerge of the most mysterious of Siberia's newly created giant permafrost holes.
Likely brought some 6,000 kilometres by ancient traders seeking walrus tusks, hunting birds and fur.
Expedition finds shocking evidence of illegal hunting of Russian Red Book animals.
Scientist thought he had stumbled upon an unusual stone, only for tests to show he had unearthed major dinosaur find.
Its residents will live in a vast man-made 'igloo' to protect them from polar temperatures and some of the most biting winds on the planet.
A new study of some of the world's most remote islands show there are dramatic climate changes since detailed research by Soviet scientists 55 years ago.
23,856 inhabitants in one of Siberia's remotest outposts suffer winter freeze in minus 25C.
The Northern Lights illuminated the city for 40 minutes on 27 September.