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

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

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

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

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

For years, images of thin polar bears stranded on shrinking ice floes shaped how many people understood climate change in the ...

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 ...

After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but ...

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

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

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

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