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.

Related: Polar bear sleeping on tiny iceberg drifting in Arctic sea captured in heartbreaking photo But not all the fractured ice makes it out to sea. Blocks of it wash up on Diamond Beach — or ...

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 ...

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 ...

Rode and her colleagues looked to polar bear immune systems for crucial insights. The Chukchi Sea polar bear population was a perfect fit. These bears, native to the waters between Alaska and ...

After the winter storm hit, artist Bryce Billings said he was looking for something to do when he couldn’t make it up the Steese Highway to his work site Tuesday. So he started packing up a pile ...

As the Arctic warms, polar bears now face a greater risk of contracting several pathogens than bears three decades ago, according to a new study. As the Arctic warms, polar bears now face a ...

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.

As the Arctic warms, polar bears now face a greater risk of contracting several pathogens than bears three decades ago. Karyn Rode and Caroline Van Hemert of the U.S. Geological Survey report ...