The U.S. Fish and Wildlife Service has estimated that there have been sharp declines in Alaska's polar bear population. Alaska polar bears face serious threats because of rising global temperatures ...

LONDON, UK — A rare polar bear that was spotted outside a cottage in a remote village in Iceland was shot by police after being considered a threat, authorities said Friday. The bear was killed ...

For years, images of thin polar bears stranded on shrinking ice floes shaped how many people understood climate change in the Arctic. Those photos seemed to confirm dire predictions, that as sea ice ...

Polar bears are one of the most majestic, yet fearsome animals on the planet. The largest living species of bear and the largest land carnivore, the polar bear is closely related to the brown bear. So ...

Polar bears are synonymous with the whiteness of their fur. However, their fur is not actually white. It's transparent and covers black skin. Why, then, do they not look like black bears? The polar ...

This study was funded by grants from the Natural Environment Research Council (NE/S011188/1) and the European Research Council (SELECTHAPLOID - 101001341) The Arctic Ocean current is at its warmest in ...

Three polar bear cubs gather around their tranquilized mother. She had a litter of three cubs (an unusual brood size) and the smallest cub only weighed 11 pounds (five kilograms). Jon Aars / Norwegian ...