What could possibly link a collision in space on the Arizona desert to a landslide that irreversibly altered the face of the Grand Canyon? Stanton’s Cave, 150 feet above the Colorado River and high ...

As of Tuesday, July 22, the moon phase is Waning Crescent, and it is almost completely hidden to us on Earth. The moon will only be 7% visible to us tonight, according to NASA's Daily Moon Observation ...

Grand Canyon visitors spent $768 million at the park in 2023, the most recent figure available, according to the National Park Service. Most of that spending, about $262 million, was on hotels.

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