I'm looking down into the Grand Canyon, and it's completely full of clouds. If I didn't know there was a gigantic, river-carved hole in the crust of the earth right here, I wouldn't believe it.

Cloud seeders are already working across the American West and there’s no need for them to stop their work, but the method isn’t a substantive solution to the water shortage in the Colorado River.

Grand Canyon National Park has launched a satellite-based emergency alert system, which allows visitors to receive real-time ...

Visitors to backcountry areas of Grand Canyon National Park can now subscribe to a new emergency warning system that works in ...

The new St. Vrain Creek effort joins existing blasts of silver iodide targeting heavy snow clouds for decades above the upper Colorado River, the North Platte, the Gunnison, and Grand Mesa. Another ...

Stock image of a smallmouth bass. These invasive fish have been stopped from breeding in the Grand Canyon thanks to releases of cooler water from Lake Powell.