Remnants of this land mass still exist in Russia, the US, Canada and Greenland, says groundbreaking new research.
Three year wait for permission which never came.
Colourful election as bears, tigers and half-naked gymnasts vote in record-breaking result.
200 metres wide thermocirque seen weeks after scientists find funnel in the Yamal peninsula, caused by build up of methane.
'Sensational' find of two cubs, the best preserved ever seen in the world, announced today.
Sour relations not stopping memorial to historic flights to help save world from Nazism.
Haunting images of this Railway to Nowhere, built by Gulag convicts in the cruellest of conditions on the cusp of the Arctic Circle.
A theme of modernisation was behind the prime minister's swing through Siberia this week.