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 ...

Spanning three quarters of a mile and almost 600 feet deep, Meteor Crater was blasted by a nickel-iron meteorite roughly the ...

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

The resulting Nankoweap landslide would have dumped enormous limestone boulders into the river corridor, creating a temporary ...

The study dives into questions surrounding how and when driftwood in Stanton’s Cave in the Grand Canyon got there ...

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

Based on remarkably similar ages, the meteor impact that created one of Arizona's most recognizable landmarks and wood and sediments found in caves high up in the walls of the Grand Canyon, a new ...

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

50,000 years ago, an asteroid hit the Earth in what is now known as Northern Arizona. It left a giant crater that draws people from all over the world. Nestled between Flagstaff and Winslow, about ...

Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists ...