Against the backdrop of Arctic warming, polar bears in Norway’s far north are gaining fat and feeding on new prey—a testament to their adaptability.

Polar bears in the Beaufort and Chukchi Seas are spending dramatically more time on land than at any point in the modern tracking record, with up to 50% of some populations now summering onshore ...

Add Yahoo as a preferred source to see more of our stories on Google. The Detroit Zoo has a new polar bear as part of a transfer with the Toledo Zoo. In exchange for Kali, Nuka has moved to Toledo.

The Detroit Zoo announced Jan. 30 that it had welcomed Kali, a new polar bear, to the Arctic Ring of Life. Kali came from the Toledo Zoo as a planned move meant to support the long-term sustainability ...

We're going to look now at an animal whose habitat is slowly disappearing. Polar bears live on sea ice. But Arctic sea ice, which used to stay frozen in the summertime, is now slowly disintegrating.

Kali, now 13, was rescued as a cub in 2013 after residents of the Native Village of Point Lay, Alaska, discovered he’d been orphaned.