When my friend Marilyn and I left Grand Canyon National Park we were on the Navajo Reservation, which covers parts of ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

There's still plenty of games to play, but right now, the Bryant men and Brown women's teams are in good shape.

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

The UVU women’s basketball team put together a brilliant start to Saturday’s big WAC showdown against league-leading Grand ...

A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air ...

New Mexico's beautiful slot canyon, with its picturesque western views, dramatic white rock formations, and endless horizon, ...

A few changes will be available at state parks this year, including the official grand opening of Utahraptor State Park.

With a vast expanse of natural splendor, South Dakota is rich in history, outdoor experiences and unique activities. In the Mount Rushmore State, visitors will find two of the world's longest ...

"I didn’t even realize a kid was there." Park visitor endangers child with outrageous stunt near Grand Canyon: 'Visitors ...

Plan a winter trip to the Grand Canyon with our winter guide to the Grand Canyon. Don't let a little snow keep you from ...

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