A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River ...

Drought, a warming climate and decades of firefighting policies that suppressed natural fires have turned many grasslands and ...

The Grand Canyon fire continues to rage, impacting access and adding to the challenges faced by firefighters in the region.

A wildfire that tore through a historic Grand Canyon Lodge​ had been allowed to burn for days before erupting over the ...

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

U.S. land managers have long known that they have a problem on their hands with overgrown forests and persistent drought.

Built nearly 100 years ago, the remote lodge offered majestic views of one of our finest national parks before it burned in ...

Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity ...

Partial blue skies in the morning allowed many park visitors to ignore fires on the North Rim. By afternoon, ashfall made for ...

A wildfire in tinder-dry forest destroyed dozens of buildings, prompting public outrage that it was left to burn for a week ...

A wildfire that destroyed a historic Grand Canyon lodge is continuing to spread out of control after it had been allowed to ...