A new study has revealed the formation of the Grand Canyon may be tied to the creation of another Arizona landmark.

The National Park Service is defending its handling of a lightning-sparked wildfire that destroyed the nearly century-old ...

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

The NWS warning was in effect for regions of the Grand Canyon below 4,000 feet elevation. Temperatures were forecast to ...

Here's what's open and closed at Grand Canyon North Rim, South Rim and Phantom Ranch in the wake of wildfires that destroyed the North Rim lodge.

The Grand Canyon is vast, covering 1,218,375 acres and 1,904 square miles across Arizona. Here's what to know.