A new study found that it's possible to return grizzly bears to California. Whether that's a good idea is a matter for ...

In this video, we will discuss what we know about the biggest grizzly bear that ever lived in Yellowstone. We will go over ...

Males weighed up to 1,500 pounds, 50 percent more than the largest modern grizzlies. Cave bears had wider heads than today's bears, and powerful shoulders and forelimbs. Prehistoric humans painted ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest and most powerful predators the world has seen, weighing an immense 900 kilograms and ...