Microbes across Earth's coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating ...

Polar bears need fat to survive the harsh Arctic cold; that’s why they eat blubbery seals. Seals, meanwhile, need ice to rest ...

Polar bears are the poster children of climate change—and for good reason. Researchers took more than 1,000 body measurements ...

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

“Svalbard (and the Barents Sea area) has experienced a much faster loss of sea ice than other areas having polar bears,” Aars ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Scientists think that Svalbard bears have adapted to recent ice loss by eating more land-based prey.

Learn how polar bears in the Arctic’s Barents Sea are maintaining healthy fat reserves despite sea ice loss in a warming ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.