A bear attack killed a 60-year-old man from Missouri who was camping solo at an Arkansas campground. Learn more.

Thanks to a California trail cam, you can both hear and see wolves from the Yowlumni Pack howling into the night.

Ever wondered if the feeling of being watched is paranoia? Well, for one man, it wasn’t. A trail cam captured a mountain lion stalking him.

Some lucky hikers experienced the most Halloween hike ever as they trekked to Pumpkin Rock as the Harvest Moon rose in the distance.

Do you live in one of the top-10 U.S. states for hiking? Check out the ranked list according to a new state-by-state analysis.

Balin Miller, a 23-year-old climber, has died after falling from El Capitan, and fans had to watch it happen, because he was live streaming.

A black bear aggressively went after a second black bear in Alaska, and the two bears began fighting. Watch here.

A dolphin leapt into the air and whacked the side of the boat, shocking and delighting the whale watchers. Watch here.

A wild brown bear in Russia attacked three people last week, and one of the victims died. Watch how one man escaped.

Multiple hikers feared for their lives on Friday after they had to “dodge bullets” in California’s Inyo National Forest.