One of the great marvels of nature is how bears, the largest carnivore in North America, are able to hibernate all winter, ...

How much they weigh: From as little as 60 pounds (27 kilograms) to more than 1,700 pounds (771 kg) ...

In a region dependent on cross-border trade, neighbors work to overcome an ugly international standoff. “It is one divorce ...

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

Polar bears and panda bears are some of the rarest ... For example, brown bears in northern Alaska hibernate longer than brown bears in regions farther south.. During hibernation, a bear's body ...

It’s up to an Alaska federal court to decide who has the rights to a portion of land between the Canning and Staines rivers ...

U.S. Interior Secretary Doug Burgum announced plans to open more land for oil and gas drilling in Alaska and remove ...

swath of the vast refuge that borders the Beaufort Sea and is home to such wildlife as polar bears, caribou and birds. The ...

Kali was rescued as an orphaned cub in Alaska in 2013, and when he moved to the Saint Louis Zoo, he was an ambassador for his species and educated the public on the challenges polar bears face in ...