Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists previously didn't think had anything to do with each other.

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

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

Carlsbad Caverns National Park in New Mexico is home to one of the most impressive cave systems in the world. Below you ...