An arctic fox munches breakfast while staying perfectly fluffy and alert to its surroundings.

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

Polar bears are in better physical health than 25 years ago - despite sea ice losses, reveals new research. The well-being of ...

When the weather gets cold in Florida, gators stop eating and iguanas start dropping. How do low temps affect the invasive ...