Russian authorities have declared a state of emergency after more than 20,000 tonnes of diesel fuel seeped into a Siberian river sparking concerns from environmentalists.

Two men trying to cross the Arctic Ocean on skis have run into difficulty as unusually thin ice has lengthened their journey and cut into their rations, their team said Saturday.

Russia's navy said Tuesday it had discovered five new islands revealed by melting glaciers in the remote Arctic.

Two people died in an explosion at a military base in the Russian far north Thursday that caused a brief spike in radiation, the second accident to hit the country's facilities in a week.

Gigantic forest fires have regularly raged through the vast expanses of Russia's Siberia, but the magnitude of this year's blazes has reached an exceptional level with fears of a long-term impact on the environment.

Seals and whales in the Arctic are shifting their feeding patterns as climate change alters their habitats, and the way they do so may determine whether they survive, a new study has found.

Norway has awarded 10 oil licences to energy companies in the Arctic, opening new acreage for exploration for the first time in two decades and granting access to an offshore zone ...

The death toll in Russia's worst mining disaster in years climbed to 36 as officials said 26 workers missing following methane explosions at the pit in the country's frozen Arctic north could not have survived.