Two hikers feared for their lives when they encountered two grizzly bears chasing each other on and around a trail in Glacier National Park.

A wildlife photographer shared footage of an absolutely massive grizzly bear in the greater Yellowstone ecosystem. See it here.

One man hiking in the Yellowstone backcountry spotted more than 40 grizzly bears in a single day, and that’s a first even for him.

Imagine a group’s surprise when they spotted a grizzly bear in Yellowstone . . . in January. Shouldn’t that bear be hibernating?

While hiking in Glacier National Park, a young girl experienced her first grizzly bear encounter on the trail, and she handled it like a pro.

“Go to Banff, they say. It’ll be fun, they say,” joked Anton Haie in a viral video showing a massive grizzly bear walking toward hikers.

An Alaska bear guide made some intimidating eye contact with a massive grizzly bear from across a creek. The video now has millions of views.

An early-season snow left a grizzly bear wandering around in a blizzard in Canada, and a trail camera caught the surreal moment on video.

Several elementary-school children and teachers are injured after a grizzly bear attacked them in British Columbia, Canada.

Don’t mess around with a mama bear. When a grizzly bear started attacking a sow’s cubs, mama bear did not sit around and let it happen.