Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.

Company’s bulldozer was in such rush to dismantle pipes after being filmed by ecologists that it crashed a police car.

Compass failure: aiming for the Caspian Sea, the elegant birds arrive instead on the Tom River in Kemerovo region, and in the Altai Mountains.

Until now, it was believed no form of life could exist on the Red planet. 

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

Pictures prove the gruesome fate of reindeer 'to meet demands for traditional medicines in China and South Korea'.

Vivid red and orange paintings by Bronze Age artists go on show for the first time.

New find at Zeleny Yar necropolis, which shows links to Persia, to be examined within weeks.