Yellowstone National Park announced an incident in which a teen became severely burned at a thermal area. Learn more.

A woman was enjoying a popular trail in Yosemite National Park when a large tree branch fell and crushed the hiker.

Three years after a shark attacked a young boy while snorkeling, his family has released footage from the moments leading up to the attack.

A hiker is recovering from her injuries after a bear mauled her on a trail outside of Anchorage, Alaska. Get the story here.

On Sunday, a mountain lion attacked a 4-year-old child at Olympic National Park in Washington. Get the story here.

Chimps living together at a sanctuary in Zambia began copying each other by wearing blades of grass in their ears . . . and in their butts.

Colorado’s Black Canyon of the Gunnison National Park is ablaze thanks to a wildfire on each side of the canyon.

Felix Baumgartner, an extreme athlete nicknamed the “Missile Man,” died in a paragliding accident in Italy. He was 56 years old.

Harris Levinson, a well-loved Washington high school teacher, fell to his death while hiking California’s John Muir Trail.

Officials at Yellowstone National Park made the difficult decision to “lethally remove” a black bear. Here’s why.