Learn more about the Meteor Crater near the Grand Canyon and how it may have created a paleolake thousands of years ago.

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico ...

Geology is full of detective stories about Earth's history, and a new paper in Geology by University of New Mexico ...

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

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

A meteorite that struck near Winslow, Arizona, about 56,000 years ago may have triggered a massive landslide in the Grand ...

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.