Emergencies minister Vladimir Puchkov vows: 'We will defend both the city and the factories'.

Unveiled: two extinct cave lions  - dug from the permafrost - make their first appearance since Pleistocene times.

Leading oil producer Rosneft burns spilled oil to 'minimise ecological damage'.

In the most extreme conditions, the unimaginable can happen. 

But how did ancient artists create prehistoric masterpieces on sheer cliffs today only accessible by sophisticated modern climbing equipment?

These extraordinary pictures give graphic new evidence of climate change.

Officials promise to monitor situation after four-fold increase in size since February.

The Russian president spoke after flying over devastated settlements, and fields were crops have been destroyed.

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

Kuzya's GPS tracker shows he has returned to his motherland.