Spring is prime bear-viewing season in Yellowstone National Park, but sometimes you need a keen eye to see them.

The leader of the pack was 'Grizzly 399', whose online presence includes Facebook and Twitter accounts, as well as a Wikipedia page devoted to her. The police escorted the celebrity bear and her ...

What would you do if you went hiking and came face-to-face with a massive grizzly bear and her two curious cubs?

Aside from their world-famous geysers, Yellowstone is renowned for its diverse populations of wildlife, especially its ...

In that video, a big grizzly is seen digging black bear cubs out of underground den. “People may feel bad about this situation. They may feel sorry for the black bear cub that got caught ...

Get more out of Mountain Lake PBS series and specials with Watch & Wonder Program Highlights. Watch "NOVA: Black Hole ...

Nature Examines the Plight of the American Grizzly Bear Through the Eyes of Its Most Famous Representative, “Grizzly 399: ...