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

Evidence comes from decades of investigative work involving driftwood and lake sediments found in caves high above the river ...

A massive wildfire in northern Arizona has grown by thousands of acres over the weekend, as firefighters work to regain ...

New research links the impact at Meteor Crater to a Grand Canyon landslide that may have created an ancient lake 56,000 years ...

The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history than previously thought. A recent study has uncovered an unexpected ...

A remarkable coincidence occurred 56,000 years ago, when the impact that created Meteor Crater triggered both a landslide-dammed lake and a paleolake formation in the Grand Canyon. Earth’s ancient ...

Geology is full of detective stories about Earth’s history, and a new paper in Geology by University of New Mexico ...

The Main Development Region of the Atlantic Ocean stirs for the first time this hurricane season. Meanwhile, a summer pattern ...

Based on remarkably similar ages, the meteor impact that created one of Arizona's most recognizable landmarks and wood and sediments found in caves high up in the walls of the Grand Canyon, a new ...

A fast-moving wildfire destroyed 50 to 80 structures on the Grand Canyon’s North Rim, including the historic Grand Canyon Lodge. The blaze, which was started by lightning 10 days ago, ...

Abnormally dry, hot conditions near the Grand Canyon's North Rim allowed the Dragon Bravo Fire to grow rapidly.