Polar bear encounters with people are rare, but they can happen to people who live in, work in, or visit the Arctic. Here's how to stay safe.

Polar bears lose sea ice due to climate change, forcing them to fast longer and lose body fat, leading to emaciation. The ...

Polar bears have a thick layer of fat below two layers of fur that help trap their internal body heat. According to Polar Bears International, these layers keep them so warm that adult males can ...

Quick Take Polar bears are showing rapid DNA changes in response to warming climates, a rare adaptation that may help survival but does not guarantee it. New DNA may broaden the polar bear’s diet to ...

The world’s latest record-high temperatures are increasingly putting Antarctica’s role in regulating global climate and ocean currents at risk. But so far, most signs indicate that the continent has ...

The effects of the warming of the Earth’s climate on Antarctic lakes and seas is a matter of life or death for many plants and animals at the frozen continent. Professor Lloyd Peck, biologist with ...

Researchers say some populations are activating “jumping genes” to survive rising temperatures. It’s both hopeful and ...