Many species around the world are affected by climate change, but the polar bear is perhaps the most visible representation of change. A polar bear stranded on a melting iceberg has become a symbol of ...

In Churchill, Canada, polar bears gather by the hundreds in the fall, waiting for the nearby bay to freeze. The human ...

For years, images of thin polar bears stranded on shrinking ice floes shaped how many people understood climate change in the ...

Brookfield Zoo, which has cared for generations of polar bears, hopes to offer guidelines for an area where mothers den at ...

Studying close to 800 bears over nearly 25 years shows that polar bear populations in the rapidly warming Barents Sea, off the northern coasts of Norway and Russia, are doing better than polar bears ...

A powerful photo series showing polar bears wandering through abandoned buildings on a remote Russian island has captured the world's attention — but experts say it's not just an eerie snapshot. It's ...