White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north. Now, researchers ...

thanks to oils from their prey that stain the fur. Perhaps the most surprising thing about polar bears? Underneath all that hair, polar bear skin is actually black. The black skin readily absorbs ...

A polar bear's insulating fur shown under infrared heat imaging taken with a FLIR E75 24o (FLIR Systems OÜ, Estonia) Svalbard Archipelago, Norway.

Siku, a polar bear at Lincoln Park Zoo, developed allergies to various substances including human hair dander (Credit: Lincoln Park Zoo) It may be that zoo animals are so well cared for they ...

In the winter, the North and South Poles receive no daylight. A polar bear's skin is actually black. Its thick white fur provides camouflage and helps keeps it warm. The coldest temperature ever ...

If you’re lucky enough to see a polar bear at the zoo, you will instantly fall in love. These majestic creatures are beautiful. They have black skin and clear fur that appears white. They live ...