The buzz of excitement at Berlin Zoo was abruptly interrupted by cries of panic and a loud splash as something dropped into the moat within the polar bear enclosure. To the shock of onlookers ...

Related: Bleak photo of polar bear with plastic in its jaws in the remote Arctic shows pollution's 'pervasive grip' "The chunks of ice weren't just caught up in the hair," Laidre said.

In a study that has provided clues about how polar bear disease could be linked to ice loss, scientists examined blood samples from bears in the Chukchi Sea - between Alaska and Russia.

Bear 399, the oldest known reproducing female grizzly in the whole greater Yellowstone ecosystem, was killed on Tuesday in a vehicle collision near Jackson Hole, Wyoming. She died close to Grand ...

Pathogens are more common in polar bears living in the Chukchi Sea now than they were three decades ago, a new study suggests—but it’s not yet clear what that means for the mammals’ health ...

The oldest known grizzly mother in history, the 28-year-old bear was often photographed with her cubs in Grand Teton National Park before she was killed by a car in October. Grizzly 399 peers ...

A nameless bear given a research number launched onto the world stage doing what bears do — having babies and protecting them. Award-winning journalist and author Todd Wilkinson spoke on Cowboy State ...

News of the bear’s death spread quickly on a Facebook page that tracks the sow and other wildlife in Grand Teton and Yellowstone national parks. More than 1,000 people quickly posted comments ...

He’s a Colorado black bear unofficially nicknamed “Durango Tubby” and social media users have been having a blast gawking at his size after the Colorado Parks and Wildlife Southwest Region ...

The bird flu infected and killed a polar bear and walruses in the Arctic for the first time. Phocine distemper virus appeared in sea otters in Alaska, after killing thousands of European harbor ...