A historic lodge on the Grand Canyon’s North Rim is among more than 70 structures lost as a result of a fast-moving wildfire that continues to burn out of control.The Dragon Bravo Fire has scorched ...

The senators referenced the 2006 Warm Fire, another lightning-caused fire on the North Rim of the Grand Canyon that was ...

The researchers were fascinated by a landslide that formed a paleolake and an asteroid impact that carved a massive crater, ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

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

The Grand Canyon Lodge in far northern Arizona that was an elusive getaway for nearly a century has been destroyed by a ...

Highway closures and evacuations remain in effect as a wildfire burns more than 58,000 acres in Coconino County. It is one of ...

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