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

Built nearly 100 years ago, the remote lodge offered majestic views of one of our finest national parks before it burned in the Dragon Bravo Fire.

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

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 ...

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 meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River ...