A bear attack on a hiker in Glacier National Park has prompted a warning from officials: Fall is a dangerous time in bear country.

A thru-hiker was solo hiking in Glacier when she encountered a grizzly bear. Her intense video went viral on social media.

A grizzly bear attacked a cub in Alaska’s Katmai National Park, giving livestream viewers way more than they bargained for.

Watch a viral video showing a family of three grizzly bears fighting over a meal. Plus, see a closeup of what they’re eating.

Amid the devastation of the Jasper wildfire, a grizzly bear family remains safe. Officials spread a message of hope for wildlife.

A river guide came across something she didn’t expect to see in the Yellowstone River earlier this week—a headless, pawless grizzly bear.

A pair of grizzly bears love their clawfoot tub, and they lounge in it every chance they get. Watch the hilarious footage here.

A very playful wolf came to see what a grizzly bear would share, but the bear was in no mood for the wolf’s puppy antics.

While at Yellowstone National Park, a visitor recorded a group of people who got way too close to a grizzly bear for some photos.

A bear biologist starting filming a moose at a campground. He ended up in the middle of a grizzly-moose chase.