Scientists have discovered a surprising contributor to cloud formation in the Arctic. These are tiny particles released from ...

A sweeping new study reveals that as Arctic permafrost thaws, it is dramatically reshaping rivers and releasing vast amounts ...

Rebecca Vials aims to walk 120 miles (193km) across the Arctic over eight days.

Across 5,200 km of Canada's Arctic, its military spent two months on a mission to meet the challenges of a changing north.

Arctic sea ice levels are crucial to Earth's climate because, without the ice reflecting sunlight, more heat energy goes into the oceans.

There are cute animals, and then there are animals who feel like they wandered in from a completely different universe where ...

Tiny particles bubbling up from the tops of melting sea ice into the Arctic sky may be a key, understudied element of cloud formation in that climate-sensitive region.

While snowmelt is a major contributor to river flow, thawing permafrost is becoming increasingly important. Beneath the ...

China and Russia have a big lead in efforts to control once impenetrable Arctic waters. The U.S. is spending billions on new icebreakers in a race to catch up.

Jyrki Katainen, a former Finnish prime minister, was named on Monday as the European Commission’s new Special Adviser on ...

A rapidly intensifying storm system over the northern High Plains will move eastward toward the Great Lakes Thursday night, ...

The European Commission has named former Finnish prime minister Jyrki Katainen special adviser for EU-Arctic relations amid a ...