After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

This experiment showed that the ice adhesion of unwashed polar bear fur is exceptionally low. While the often-accepted ...

Hundreds of people plunged into Goodyear Lake for the annual Polar Bear Jump, raising a record $186,000 to help 10 local ...

A study in the journal Science Advances reveals how polar bears manage to get wet in the cold without their fur freezing.