“Talk about perfect timing!” A video shows a moose crossing a river in front of a grizzly bear in Yellowstone National Park.

A Nepali guide survived six days by himself on Mount Everest without food, water, or supplemental oxygen. Here’s how he survived.

A chalk artist filming her process ended up recorded a black bear running through a neighborhood. Watch here.

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