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

A biotech company made history with the birth of three genetically engineered wolves: What we know about these prehistoric ...

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 ...

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 ...

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 ...