Polar bears aren't actually white. Their color is determined ... Underneath all that hair, polar bear skin is actually black. The black skin readily absorbs sunlight to keep the bear warm.

Photographer Paul Nicklen and I are on a mission to capture images ... me about the polar bear’s condition, but nothing could have prepared me for what I saw. The bear’s once white coat ...

The first astronauts to enter a polar orbit around Earth chose the obvious animal to serve as their zero-g indicator — a plush white *polar* bear ... doll also has an image of an emperor ...

There are eight species of bear: the American black bear, Asian black bear, brown bear, panda bear, polar bear, spectacled bear, sloth bear and sun bear. Some of the most famous types of bear are ...