International researchers have gleaned these extraordinary hidden scientific secrets by drilling 318 metres into a unique lake in northeastern Siberia.

Is increased tourism, or a normal natural cycle, to blame for the rapid growth of spirogyra to 50% of the coastline?

Siberian 'suslik' needs human rescue from passing motorists on Olkhon island in Lake Baikal.

Pristine forests around the world's oldest lake go up in flames.

The 76-metre (246 ft) high cascade is also called ‘The Bride’ for its distinctive female shape.

Russian government proposes intriguing solution if Ulaanbaatar halts plans for hydropower dams on the Selenga River.

'Scary' scenes as fumes from burning forests cover Lake Baikal, with people - and bears - fleeing 'Apocalypse'.

Proof of recovery of endangered species after 'historic' sighting of Siberian tiger 2000 km west of its usual habitat.

A favourite for glamorous pictures by Instragram fans yet visitors are warned to take extreme care.

Scientists make crucial new discoveries of bacteria, up to 30 million years old.