Millions have seen the heart-wrenching video of a polar bear clinging to life, its white hair limply covering its thin, bony frame. Shot by Paul Nicklen and Cristina Mittermeier of the nonprofit ...

Belly flops, play bites and dunks! Polar bears Nora and Amelia Grey frolicked in the pool at Polar Passage on a sunny day.

Meet Silver, the cute polar bear like ...

A curious grizzly tampered with an expensive camera in Yellowstone National Park on May 9. The helpless photographer could ...