Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex ...

The map at the right shows the 19 current polar bear subpopulations, with colored dots showing the location of other samples used in the analysis.

This strategy is so effective, it's made observation difficult for scientists hoping to map out the best protections for polar bear dens. An international team of researchers fitted female polar ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

The Detroit Zoo welcomed Haley, a 22-year-old polar bear, to its Arctic Ring of Life habitat. She joins two other polar bears and will serve as an ambassador for her species. She's still ...

Editor's Note: National Geographic went too far in drawing a definitive connection between climate change and a particular starving polar bear in the opening caption of our December 2017 video ...

As part of a breeding program aimed at protecting the species, 12-year-old polar bear Kali recently left St. Louis for the Toledo Zoo & Aquarium. In exchange, the Saint Louis Zoo welcomed the 2 ...

The polar bear is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding landmasses. A boar (adult male ...