In the depths of the Hoyo Negro pit 180 feet below sea level, a diving team has successfully recovered the skulls, jaw bones, and other remains of two long-extinct Ice Age species.

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 California wildfires burned over 14,000 acres and are ranked among the state's three most destructive fires, according to ...

Their review, published July 13 in Ursus, covers 39 studies recounting 198 occurrences of cannibalism in bears and explores the phenomenon in four species in particular: polar bears, American black ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...