Sea ice refers to the free-floating ice in the polar regions. While it generally expands during the winter and melts in the summers, some sea ice remains year-round. Note that this is different from ...

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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.

Every wondered why polar bears don't freeze in the extreme temperatures of the Arctic? Well, scientists finally have the ...

Skunkworks models of the Polestar 2, Polestar 3 and Polestar 4 are driven across an ice-covered lake in Sweden.

The polar bears pass through Churchill, Manitoba, hoping to catch a ride out of the tiny town on Hudson Bay's sea ice. After a summer of fasting on land, the bears need to get back to their frozen ...

An Iowa woman captured the tense life-or-death moments after a deer fell through ice on a pond in Appanoose County. Angel ...

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

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

FOX Forecast Center / FOX Weather The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans. According to the FOX Forecast Center ...