One of the great marvels of nature is how bears, the largest carnivore in North America, are able to hibernate all winter, living off stores of fat they have built up through the rest of the year.

Joanna Lynne Kelley. Photo by Jennifer Feitosa. Growing up in the woods of Santa Cruz, Joanna Lynne Kelley was constantly exposed to the beauty and diversity of nature. Surrounded by the variety of ...

ANCHORAGE, Alaska (AP) — A study of an Alaska polar bear population in summer concludes the bear's biology will not help stave off starvation in the face of global warming. The study of southern ...

Bears are a type of mammal that can be found in many parts of the world. From the tiny, silly-looking sun bear to the iconic polar bear, these animals are specially adapted to different environments, ...

Visible in the entrance to their den are a mother black bear, who has been sedated, and her female cub. Scientists are watching to see how bears will tweak their hibernation habits as the climate ...