This is the clearest evidence that our ancestors speared and killed the extinct giant.
Hope for future of the rare species as census says there could be as many as 540 of them now living in the Far East.
Aware of accounts of mysterious relic reptiles lurking in the deep, here are the first pictures from a record breaking dive.
Call to locals and tourists to aid experts counter the green gunge 'polluting' world's deepest lake.
The fatality occurred after the unnamed man handled the carcass of an infected cow in the Tselinniy district of Altai territory.
The Russian government has ordered the evacuation of North Pole-40 Arctic Station.
North Korea urged to join Russia and China in fixing reliable numbers for Amur big cats.
Rail link will connect remote region to Krasnoyarsk region.
Marine life dying, pools polluted, power outages, no medicines for animals, and two years late, but officials say there is no cause for concern.