Hunt is on in Japan to find lost descendants of the Siberian-born chemist and inventor.
43 bears arrive to feast on two rare Red List whales washed ashore close to far-flung settlement.
Amazing new pictures show a endangered Amur leopard with a cub.
A new study of some of the world's most remote islands show there are dramatic climate changes since detailed research by Soviet scientists 55 years ago.
New details emerge about 1928 odyssey that changed a dictator.
The unique artifact was made by humans more than 19,000 years ago.
Foreign visitors transiting on Russian airlines will be able to stay for 72 hours without documents as part of move to help boost tourism and economy.
Unique pictures taken this month show the Sailugem bear, proving both that this species was not mythical - and has survived - in the Altai Mountains.
Scientists remain confident of one day bringing back the beast to roam again in Siberia.