Lamar Underwood's new book, Incredible Bear Attacks, paints a horrifying picture of what happens when humans and bears cross ...

The grizzly bear is an important part of the popular mythology of the American West and the Rocky Mountain region. Named after the parts white or gray tips of the hair, it is among the largest ...

In Yellowstone National Park a few years ago, I listened while a man confidently explained to his wife why a brown-phase black bear was a grizzly bear. He based most of his description on the ...

A rare white grizzly bear and its two cubs were killed on the same highway after being hit by cars in two separate incidents in Canada, officials said. On 6 June, Yoho National Park officials ...

Bears are emerging from hibernation in western Wyoming, leaving their pawprints in the melting snow in both Yellowstone and Grand Teton National parks. A Grand Teton National Park employee observed a ...

Grizzly bears and black bears occupy much of the same territory in North America, and the two species are known to be fierce competitors. As the one of the continent’s top predators, grizzlies ...

Also known as the North American brown bear, the grizzly bear is a powerful predator that can weigh up to 800 pounds. (Photo: Paul Hamilton/Can Geo Photo Club) The ends of the hairs on grizzly bears’ ...