Krasnoyarsk's skies have been black since the start of the New Year, with locals complaining of 'chemical smell', lack of oxygen.

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

'Turn to the East', which started a year ago, is gaining popularity

Latest survivors give harrowing accounts of how they feared they would drown in underground tidal wave.

World's first multi-use metal-vapour laser can be used to revolutionise operations, create more efficient gadgets, and sense the atmosphere.

Greenpeace claim authorities underestimate the scale of destruction, amid warnings of lack of resources to fight fires. 

Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.

Emaciated animal walked 1500km south and away from Arctic Ocean, searching for food.

New details emerge about 1928 odyssey that changed a dictator.

Satellites show giant hole ringed by 20 'baby craters'.