This surprising connection between Arizona's world-renowned geological features stretches back 56,000 years, to when a ...

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

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

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

A new study suggests a meteor strike that created Arizona’s Meteor Crater 56,000 years ago may have triggered a massive ...

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

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

In a surprising twist, two of Arizona’s most iconic landmarks—Meteor Crater and the Grand Canyon—may be linked by a cosmic ...

A new paper in Geology led by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, University of Arizona Senior Research Specialist Chris Baisan, and Dr. David ...

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

New research links the impact at Meteor Crater to a Grand Canyon landslide that may have created an ancient lake 56,000 years ...

Cutting‑edge dating reveals driftwood high in Grand Canyon caves 55,250 years ago when a meteor’s shock wave blocked and ...