Polar bears aren't actually white.Turns out, they can come in all sorts of colors: yellow, gray, orange, and even green. That's because polar bear fur is transparent and hollow.When light strikes ...

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 first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear.

Paul had warned me about the polar bear’s condition, but nothing could have prepared me for what I saw. The bear’s once white coat was molted and dirty. His once robust frame was skin and bones.

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear ... Their thick white coat and a ...

Polar bears aren't actually white.Turns out, they can come in all sorts of colors: yellow, gray, orange, and even green. That's because polar bear fur is transparent and hollow.When light strikes ...