The rare event marks the 13th known instance of adoption within this well-studied group of polar bears living in the western ...

In the remote, icy expanse of the Arctic, the survival of a species begins with a remarkable act of resilience and devotion. The journey of a polar bear mother, from conception to raising cubs in one ...

This is only the thirteenth known case among the population of polar bears that live around Churchill, Manitoba ...

A polar bear mom emerged from her den with one cub, but was later seen in Churchill, Manitoba, with two. Researchers say she likely adopted an abandoned cub, only the 13th case observed in 45 years.

In all but two of the Arctic's 19 polar bear subpopulations, sea ice cover dropped 7 to 19 days per decade from 1979 to 2014. In the Beaufort Sea region, where sea ice now lasts roughly 36 days a year ...

Polar bears face one of the toughest survival challenges in their history as the Arctic warms far faster than the rest of the world, shrinking the sea ice they rely on to hunt, rest, and travel. As ...