"We saw one, then we saw another one, then 20 of them. And they all were inside this building." Abandoned since 1992, the ...

A photographer's iconic shot of polar bears in abandoned buildings on a Russian island shines a spotlight on wider changes in ...

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

A surprising discovery on a secluded Russian island has produced remarkable images of polar bears taking refuge in deserted ...

Polar bears are uniquely adapted to survive in one of the harshest environments on Earth. These majestic animals are ...

Pregnant polar bear females usually enter the den in late autumn and remain there throughout ... “In the Barents Sea is a ...

Arctic sea ice had its weakest winter buildup since record-keeping began 47 years ago, a symptom of climate change that will ...

In "Ends of the Earth," Neil Shubin travels north and south to explore the frontiers of polar science and history.

Since satellites began tracking it, Arctic sea ice's winter peak has shrunk by an area about the size of Pakistan.