Polar bears are not only the largest bears, but they are also the largest land predators in the world. So, when it comes to size, how do polar bears measure up against some of the other top land ...

Depending on the source, the "albino brown bear" or "albino grizzly bear" has repeatedly been transported to the Arctic after mistakenly being identified as an out-of-place polar bear. Why?

Spotting polar-grizzly bear hybrids in the wild can be tricky. This polar bear's darker face and body shape might lead some to think it's a hybrid, but only genetic testing can say for sure.

Polar bears are the top predators in the region. Scientists raise red flag over concerning trend among polar bears — here's ...

this "albino brown bear" (sometimes described as an "albino grizzly bear," depending on the source) was airlifted to the Arctic time and time again after being mistaken for a polar bear.

Joey, an albino grizzly bear mistaken for a polar bear multiple times, faced repeated relocations between Canada and the Arctic. Conservationists, unaware of his true identity, repeatedly ...

As sea ice habitat shrinks in the Arctic, more and more polar bears (like the one pictured here) are being forced to move further inland into ranges occupied by grizzly bears. Photo by USFWS As ...

Grizzly bears in the Arctic are becoming an increasingly common occurrence as the planet warms, which means that they are beginning to encroach on polar bear territory more regularly. As a result ...

What do you call a hybrid created when a grizzly bear and a polar bear mate? The answer might soon be common knowledge, as climate change has pushed these two species of bears together.

Lamb and Smit approach with their gear and check vitals, then begin measuring, sampling and hoisting the grizzly’s ...

Orphaned Grizzly Bear Moves to Detroit Zoo and Becomes Best Friends with Polar Bear Cub After the video of the bear lying around in the snow went viral, fans were curious about whether Emmett ...