These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change.

Remarkably, the number of days with no ice in the region increased by roughly 100 during that period. And yet, as the authors found, the body condition of both male and female polar bears—i.e., how ...

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

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

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Svalbard’s chubby bears upend catastrophe talk—echoing Trump’s swagger and Gates’s pivot to adaptation.

Polar bears need ice for their long term survival as less or shrinking ice forces these creatures to travel long distances in ...

Well, well, well. How inconvenient. Exactly 20 years after climate change was catapulted to the top of the political agenda, the poster creature of the crisis – the polar bear – appears to be doing ...

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

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