Kali, now 13, was rescued as a cub in 2013 after residents of the Native Village of Point Lay, Alaska, discovered he’d been ...

One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

The greater Philadelphia region will experience no weekend letup in the prolonged cold snap gripping the area.

A 13-year-old male polar bear has arrived at his new home, the Detroit Zoo, after a trade with the Toledo Zoo.

A federal judge has refused to block a winter oil and gas exploration project in the National Petroleum Reserve-Alaska that ...

In the wake of the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar ...

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...