The Grand Canyon Railway offers a one-of-a-kind journey through the Arizona desert, taking passengers from the historic town of Williams to the breathtaking South Rim of the Grand Canyon. This video ...

Layoffs at the Grand Canyon are imperiling service just as our busy tourism and fire seasons ramp up. This could be a disaster for northern Arizona.

Grand Canyon National Park lost 10 probationary employees to layoffs, causing long wait times at the South Rim entrance and ...

Arizona's governor decried the mess that staff and project cuts have wreaked on the Grand Canyon and reaped the wrath of Trump supporters for it.

Grand Canyon men's basketball team played without Tyon Grant-Foster for the second game in a row Thursday night but showed ...

Wildlife in the Grand Canyon is exhibiting unusual behaviors raising questions among scientists about potential environmental changes disruptions in food chains or shifting migration patterns. From ...

The National Park Service opened a lottery for extended self-guided rafting trips along the Colorado River in Grand Canyon National Park this week, offering hundreds of spots for 2026. The ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes.

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which are each about the size of Earth’s Grand Canyon. By Kenneth Chang ...