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Keep up with our latest articles featuring new research, stories, and content about polar bears.

Bird's eye view of Svalbard's mountainous terrain.

For our polar bear den study team in Svalbard, bone-chilling cold, difficult terrain, and unpredictable storms are all part of the challenge.

Dr. Ian Stirling at a cliff-top observation site in Canada's High Arctic.

The Amazing Breeding Behavior of Polar Bears

Polar bear mating behavior is extremely difficult to study, but scientist Ian Stirling once had the rare opportunity to observe the entire sequence.

Close-up of polar bear head, showing the long muzzle

Polar Bear Questions: Breathing in Cold Air

How do polar bears breathe in extreme cold without harming their lungs? The polar bear's long muzzle has protective powers, as do turbinate bones in the nose.

A polar bear stands on a remnant of sea ice.

Russian Polar Bears: Sign of the Times

Why did more than 50 polar bears recently converge on a Russian village? Geoff York, our senior director of conservation, cites sea ice loss and an open dump.