A massive landslide would have dammed the Colorado River, forming a deep lake that has since dried up. A meteorite impact ...

The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history ...

New research reveals that a meteorite strike near Winslow, Arizona, approximately 56,000 years ago, may have triggered a ...

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

W hen an asteroid made Meteor Crater in northern Arizona, it did more than leave the Earth’s best preserved impact crater.

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic wonder.

Grand Canyon Caverns and restaurant have opened after being closed for nearly 3 years. Here's why it closed and how to go into the Grand Canyon caves.