The Grand Canyon is pictured here in this photo from a GoPro launched into space by a group of Stanford students via a weather balloon on June 8, 2013.

For years, the Grand Canyon Lodge welcomed the hardy visitors who trekked to the North Rim. Its replacement will do the same.

The rustic lodge, with its wall of windows, drew new visitors and welcomed seasoned hikers emerging from the Canyon. As the Dragon Bravo Fire climbed toward Grand Canyon Lodge, I tried to remember ...

What could possibly link a collision in space on the Arizona desert to a landslide that irreversibly altered the face of the Grand Canyon? Stanton’s Cave, 150 feet above the Colorado River and high ...

Sen. Mark Kelly visited the Grand Canyon National Park' South Rim on Friday, Aug. 8, to learn more about the impacts of the ...

Grand Canyon National Park spans more than 1.2 million acres, with 278 miles of river and an average of 10 miles from rim to rim. Its average depth is one mile, according to the National Park Service.

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

Researchers from the University of Cambridge have unearthed thousands of microscopic fossils from the iconic Canyon, including a new species.

Exceptionally preserved Cambrian fossils uncovered in the Grand Canyon show how evolution accelerated in resource-rich waters ...

A groundbreaking fossil discovery in the Grand Canyon has unveiled exquisitely preserved soft-bodied animals from the Cambrian period, offering an unprecedented glimpse into early life more than 500 ...

The Dragon Bravo Fire continued to burn under a "historic dry air mass," fire officials reported on Inciweb on July 29.