The nearly century-old Grand Canyon Lodge in far northern Arizona was a refuge for ambitious hikers and adventurous tourists eager to bask in the magnificent views of one of the most remote and ...

The Grand Canyon, as we know it, would be carved out by the Colorado River hundreds of millions of years later. “In the middle of the canyon, there was this pretty sweet spot for animal life to ...

Grand Canyon National Park is about 1,900 square miles (nearly 5,000 square kilometers), according to the National Park Service, which makes it bigger than Rhode Island.

Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a time when complex life emerged on Earth.

Wildfires burning at the Grand Canyon and in Utah are so hot that they're spurring the formation of "fire clouds" that can create their own erratic weather systems.

The Dragon Bravo Fire exploded in size along the Grand Canyon’s North Rim this week as heat and strong winds drove the growth.

A wildfire along the Grand Canyon’s North Rim grew rapidly over the weekend and destroyed a historic lodge and visitors center ...

The fire raging along the North Rim of the Grand Canyon covered about 9,300 acres on the morning of July 16. By late afternoon, Dragon Bravo covered about 11,000 acres, according to data from the ...