Some 15 massive skulls disovered inside a cave in the Ural Mountains, where the bears went to die in late Pleistocene.
An expedition to one of Eurasia's northernmost caves unlocks secrets that might help explain the extinction of mammoths.
Brown coal in disused Soviet deposit burning at a temperature as high as 600C.
Pristine forests around the world's oldest lake go up in flames.
Amur tigress orphaned in 2012 and released after rehabilitation a year later pictured with her cubs in Bastak Nature Reserve.
TNK-BP, a Russian-British company, is under fire concerning 784 environmental accidents reported in 2011, compared with 20 by rival Lukoil.
Project to be unveiled at 4th Eastern Economic Forum next month and likely to contain laboratories sunk into the permafrost.
Prime minister raises the issue on sidelines of the Asia-Europe Meeting (ASEM) in Ulaanbaatar.
Altai floodwater could be sent to parched Xinjiang Uygur Autonomous Region of China, says Russian agriculture minister.