One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

The changing climate poses a major threat to polar bear survival. But new research suggests that rising temperatures may be altering polar bear DNA in ways that help them adapt and endure in ...

It's a beautiful story out of the arctic to end your year on a good note. A polar bear mom took on a second (presumably orphaned) cub in only the 13th recorded case of adoption for this species ...