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 ...

BISMARCK, N.D. — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the ... fatality were not immediately released. Ice and snow made travel treacherous in ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the ... as officials prepared to close a road because of ice. In each case, the troopers were out of their cruisers ...

"This is only the first leg of the storm, with a second and heavier round of snow [and ice] to set up farther ... Plains due to arctic air related to a polar vortex, according to the weather ...

Climate change is amplified in the polar regions. The northern and southern reaches of the planet are warming faster than any area on Earth, with the Arctic ocean and air temperatures rising twice as ...

Polar bears are struggling to survive as sea ice dwindles. Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay ...

Patience: A polar bear still-hunting on the sea ice of Hudson Bay, Manitoba, Canada. (Courtesy: Jenny E Ross) In the teeth of the Arctic winter, polar-bear fur always remains free of ice – but how?