Doctors fought in vain to save Alexander Stakhanov, 35, on the frozen surface of the world's deepest lake.
Major engineering achievement will connect Russia’s largest region to Moscow by train for the first time.
Total of 110,000 tonnes sent to Europe across the new Northern Sea Route.
Unique pictures show prehistoric forensic evidence: spear wounds on the Arctic beast's bone.
Dozens of captive red and sika deer were released into the wild in a bid to coax the threatened Siberian tiger - the world's largest cat - back to China.
Officials from Russia and North Korea say the long-waited train connection is now almost ready.
Scientists unlock intriguing 5,000-year-old secrets of prehistoric illustrators behind Karakol stunning artwork.
The discovery of an ice-preserved female mammoth comes amid a debate on whether scientists should try to recreate the species using DNA.