A photo from Colorado’s Grand County Search and Rescue shows how impossible it is to spot a missing hiker wearing neutral colors.

Three hikers died from heat-related illnesses in the Grand Canyon within the span of a week, proving just how deadly extreme heat is.

A teenager survived a terrifying bear attack on a Washington hiking trail. He’s speaking out about the experience.

A young hiker has died after experiencing symptoms of heat-related illness on the Bright Angel Trail in Grand Canyon National Park.

An outbreak of norovirus is affecting dozens of hikers on the Pacific Crest Trail. One man even required an air lift off the trail.

A woman was hiking in South Dakota’s Custer State Park when a bison charged at her. She ultimately died of her injuries.

Hikers on Camelback Mountain in Phoenix got more than they bargained for when a swarm of bees attacked them, stinging people multiple times.

A record number of mountaineers successfully summited Mount Everest yesterday from the Nepali side of the mountain. Learn more here.

Does hiking Half Dome in Yosemite National Park sound too intense? Or perhaps you just didn’t score a permit? Try Lembert Dome instead.

At 7 years old, this young boy hiked the Grand Canyon from rim to rim in just one day, possibly breaking the world record.