From feast to fast Polar bears, unlike their land-based cousins, are finicky. Brown bears may slurp up fatty salmon, but also eat berries and insects. Polar bears need lots of fat to survive, and may ...

A genetic analysis of polar bears in southeast Greenland found that genes related to heat-stress, aging, and metabolism are ...

Polar bear encounters with people are rare, but they can happen to people who live in, work in, or visit the Arctic. Here's how to stay safe.

Loon: 6 1/2 x 12 1/2 in. (16.5 x 31.8 cm.) ...