Russian ecologist says his undercover trip shows Arctic ecosystem is irreversibly damaged, as whistleblower in ecological watchdog quits and leaves town.

The navigator, who served in the Navy of Peter the Great, gave his name to the Bering Strait, the Bering Sea, Bering Island, Bering Glacier and Bering Bridge.

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

One worker seriously injured and panic among nearby residents in secretive community, but public being reassured about incident.

These extraordinary pictures give graphic new evidence of climate change.

This vast region has some of the world's greatest rivers, but they could do much more to support the economic regeneration and security of the country.

More than 40 wounded  from the accident.

Vostochny 'not ready' for December Soyuz liftoff, says source in Roscosmos.

The ancient mummy of a mysterious young woman, known as the Ukok Princess, is finally returning home to the Altai Republic this month.

At least 6 are believed to have the virulent intestinal form of the disease from which one boy has already died.