A national park in southwest Colorado partially reopened Wednesday for the first time since a fire broke out earlier this ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

The Dragon Bravo Fire has closed the North Rim for 2025. These 10 destinations are worthy alternatives to Grand Canyon North ...

Research Grand Canyon landslide-dam and paleolake triggered by the Meteor Crater impact at 56 ka by a team from the University of New Mexico describes a lake in the Grand Canyon created by a landslide ...

Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have ...

A fast-moving wildfire destroyed a historic lodge and dozens of other structures on the Grand Canyon’s North Rim, forcing ...

The collision of a meteorite in what is now Arizona left an indelible mark: Meteor Crater. At nearly the same time, a massive ...

The U.S. Bureau of Reclamation should start planning to modify the Glen Canyon Dam, which plugs the Colorado to form Lake ...

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

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

Two archaeologists clad in neon yellow shirts with notebooks in hand moved through the wildfire’s path, taking notes as they ...