An upcoming series on polar bears in the eastern Arctic is as much about the enigmatic creatures as it is about the people ...

White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north. Now, researchers have discovered the bears have another unexpected Arctic adaptation ...

Polar bears can fast for less than that and do well, mostly because they are so good at gathering and storing fat for these lean periods, York says. During that lean time period, researchers ...

Polar bears are the world's largest land carnivore, but attacks on humans are extremely uncommon – only 73 were recorded between 1870 and 2014, in Canada, Greenland, Norway, Russia and the US.

Polar bears are the world's largest land carnivore, but attacks on humans are extremely uncommon – only 73 were recorded between 1870 and 2014, in Canada, Greenland, Norway, Russia and the US.

Polar bears face mounting challenges in a changing, warming world, mostly related to their waning wintery wonderland habitats. But they may be increasingly infected with germs and parasites, too.

Clashes with human settlements are on the rise, as melting ice drives hungry predators inland in search of food ...

Polar bears are born about as pathetic as humans, and the den protects them from the frigid weather as they grow 20 times their size in just a few months of nursing.

And it's getting lower on polar bears. There are now about 600 polar bears in the Western Hudson Bay, one of the most threatened of the 20 populations of the white beasts.

Climate change putting Hudson Bay polar bears at risk, study finds 03:58. A pair of polar bears attacked and killed a worker at a remote government radar site in the Canadian Arctic, the facility ...