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

Scientists find a link between Barringer Crater and Grand Canyon landslide. Research indicates both events occurred around 56 ...

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

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

A remarkable coincidence occurred 56,000 years ago, when the impact that created Meteor Crater triggered both a landslide-dammed lake and a paleolake formation in the Grand Canyon. Earth’s ancient ...

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

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 ...

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

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic wonder. Skip to content Introducing the all-new Astronomy.com Forum!

Hells Canyon, the deepest river gorge in the United States, was carved just about 2.1 million years ago — making it much younger than the Grand Canyon. Matthew Morriss hide caption ...

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