When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps.

New regulations present challenges to wildlife viewing in Svalbard, but they haven’t sent tourism into a deep freeze, says ...

While polar bears are a big tourist draw, the Arctic has a wealth of wildlife to observe and terrains to explore ...

Other video viewers loved the way the bear cubs slid on the snow or the way they cuddled up with mom. No matter how big and dangerous an animal is, a baby is still a baby!

Drifting snow helps polar bear dens remain hidden. (B.J. Kirschhoffer/Polar Bears International), CC BY An elusive phenomenon While they provide ideal conditions for developing cubs, maternal dens ...

Pregnant female polar bears typically build their dens in snow drifts on land or sea ice around October or November.

The zoo shared a video of sisters Nora and Amelia Grey — Portland’s beloved polar bear sibling duo — rustling around in the snow Thursday morning, and it’s just as cute as it sounds.

Related: Polar Bear Spotted Sweetly Making 'Snow Angels' in First Snowfall of Season The Internet just couldn’t resist this furry, playful guy.

Plungers ran into the cold Chesapeake Bay this weekend marking the 29th annual Special Olympics Maryland Polar Bear Plunge. Check out photos from the cold event.

Kali, the only polar bear at the Saint Louis Zoo, was able to enjoy the snow in his enclosure this morning. Video from the zoo's habitat camera caught the bear rolling through the snow.

A polar bear couldn’t contain his excitement as he rolled around in fresh snow at Saint Louis Zoo in Missouri on February 16. Video shared by the zoo on February 17 shows Kali, the orphaned ...

A polar bear at the Memphis Zoo in Tennessee was spotted rolling in the snow after a winter storm — and watch as two wolves enjoy themselves in outdoor winter play.