Average temperatures in the north of the Kara and Barents seas were 4C to 5C higher than previous years.
As temperatures sunk to minus 50C and below, schools and kindergartens were closed for the world's hardiest children.
It almost looks like a lawn mower being pushed across a frozen river. What's going on?
The drama, beauty - and absurdity - of our weather.
Expert says deadly gas released from melting permafrost region will lead to 'awful' consequences for global warming.
Archeological evidence from the Altai region makes clear the arrival of Homo erectus from Africa can be dated at between 800,000 and one million years ago.
We went out in Tobolsk and Surgut to see what women are wearing, and most prefer fur.
Latest addition to English peasant farmer Michael Ware's family enjoys her first Russian winter.
These extraordinary pictures give graphic new evidence of climate change.