Plungers ran into the cold Chesapeake Bay this weekend marking the 29th annual Special Olympics Maryland Polar Bear Plunge. Check out photos from the cold event.

New research finds that grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant ...

White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north. Now, researchers have discovered the bears have another unexpected Arctic adaptation ...

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 ...