Sea ice is crucial to polar bear survival because they use it to hunt their main source of food -- seals. Polar bears also use the ice as a platform to catch the seals, Archer said.

This comprehensive polar bear size comparison will show how large polar bears are compared to Kodiak bears, grizzly bears, and tigers. Find out ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that polar bears are invisible in infrared cameras, meaning their fur has the ...

‘The Masked Singer’: Polar Bear Admits He Originally Said No to Being on the Show “For me, being an adult 24/7 is stressing for me, and I need stress relief,” he tells TheWrap ...