This surprising connection between Arizona's world-renowned geological features stretches back 56,000 years, to when a ...

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

A new study suggests a meteor strike that created Arizona’s Meteor Crater 56,000 years ago may have triggered a massive ...

A historic lodge on the Grand Canyon’s North Rim has been destroyed by a wildfire. Grand Canyon National Park Superintendent ...

The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history ...

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

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 ...

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

Monsoon season in northern Arizona can be a welcome respite from early-summer heat. But the intense thunderstorms can also produce flash flooding, sending water and debris coursing rapidly down previo ...

Firefighters and hikers fled for their lives as a huge wildfire engulfed dozens of buildings in the Grand Canyon. The Grand ...

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