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 ...

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 ...

W hen an asteroid made Meteor Crater in northern Arizona, it did more than leave the Earth’s best preserved impact crater.

European trade ministers pledged unity Monday after U.S. President Donald Trump announced 30% tariffs on the European Union. The ministers met in Brussels following Trump’s surprise announcement of ...

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic wonder.

Grand Canyon Caverns and restaurant have opened after being closed for nearly 3 years. Here's why it closed and how to go into the Grand Canyon caves.