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.

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

Research Grand Canyon landslide-dam and paleolake triggered by the Meteor Crater impact at 56 ka by a team from the ...

The flash flood struck Havasu Canyon, a tributary canyon, about 30 miles west of Grand Canyon Village, Arizona just before 1:30 p.m. on Thursday, USA TODAY reported.