Polar bears Henry and Ganuk at the Cochrane Polar Bear Habitat celebrated Polar Bear Week with a 1,481-pound pumpkin. Lydia Chubak reports.

ANCHORAGE, Alaska — The U.S. Fish and Wildlife Service followed the law when it designated more than 187,000 square miles — an area larger than California — as critical habitat for threatened polar ...

The environmental organization Ontario Nature says Ontario’s Bill 5 puts the future of polar bears in the province at risk.

Polar bears appear to be turning to inbreeding for survival. A study published in the Royal Society Journals shows a loss of up to 10% of genetic diversity in the polar bear population from Svalbard ...

Polar bear meets grizzly bear. They hit it off and have babies. Enter the grolar bears. Or pizzly bears, as some like to call them. It might sound like a BS made-up story, or something from Happy Feet ...