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 ...

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

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 ...

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

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