Destruction of trees by flames could see Batagai Depression ‘rapidly enlarge’ while remote local settlements also threatened.

Russia's coldest region is up to 20C milder than average this month, say meteorologists. 

Freak climate conditions sees an abnormally warm November. 

Russian foreign minister Sergei Lavrov and US secretary of state John Kerry will attend the May 14-15 Arctic Council in Kiruna, Sweden.

Military tests in minus 30C to check performance of equipment and personnel in toughest of conditions.

Summer flooding will worsen dramatically, and the Arctic could be ice-free in summer by 2034.

Subsidence from old coal mine a possible cause of latest mystery hole.

Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.

Russian president's flight to Salekhard delayed after airport closed by freezing rain.