Scientists estimate the asteroid that produced these canyons about 3.8 billion years ago was 15 miles across. CAPE CANAVERAL, ...

Now, scientists believe that they have figured it out. Two huge canyons scored into the surface of the Moon were created in ...

Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

Zion National Park to Grand Canyon road trip guide • Discover the best route, scenic stops, travel tips, and must-see ...

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...

Arizona may officially be the Grand Canyon State and for good reason. But there are other nicknames associated with the state ...

Here’s everything you need to know to plan a trip to Saguaro National Park, including the best hiking trails, things to do, ...

Tom Myers has been called Mr. Grand Canyon. Not only is he an avid hiker and explorer in the canyon, he’s also the authority on canyon wilderness medicine.

He can be found hiking Piestewa Peak or Camelback Mountain year-round and loves escaping to hike the other desert trails around Arizona. A tribal village at the bottom of the Grand Canyon has two ...

The most accessible portion of Canyonlands National Park is Island in the Sky. This breathtaking area is home to some of the ...

The crash, which happened in 2022 along Interstate 17, killed three Grand Canyon University students. PHOENIX - A driver who killed three university students in the Phoenix area during a crash ...