Polar bear fur is not actually white, but rather clear and hollow, the better to insulate them in icy waters and help them stay afloat. When exposed to the sun, these tubular hairs yellow slightly.

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 Thursday ...

COOPER ISLAND — On July 2, George Divoky woke with a polar bear right outside the cabin ... and not up here — wondering what gray-yellow-green is doing and if it’s still with white-red ...

Although it was only briefly seen during the live webcast of its launch, the Fram2 mission's zero-gravity indicator was instantly recognizable. The first astronauts to enter a polar orbit around ...

A polar bear’s skull and nose are also longer than a grizzly’s. But grizzlies have longer claws than polar bears—which are better for digging. A polar bear’s paws are better suited for ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that polar bears are invisible in infrared cameras, meaning their fur has the ...

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 bear then attacked the male, causing serious but non-life-threatening injuries to his arm and legs," authorities continued in their statement. 2 Polar Bears Kill Worker at Remote Canadian ...

Plungers ran into the cold Chesapeake Bay on Saturday, Feb. 1, marking the 29th annual Special Olympics Maryland Polar Bear Plunge. The fundraising event, in which individuals pledge $100 or more ...