While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

Grand Canyon National Park – Arizona The Grand Canyon is a testament to the earth's artistic powers, with its sprawling ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

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

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

The single group site, which accommodates 20-25 people and 10 vehicles, is located in the mouth of a small box canyon and tributary of the Colorado ... From the visitor center in Moab, Utah, drive ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

Its towering wooden beams form a striking contrast against the desert landscape, standing high above the rugged canyon floor. So, how does one get there? Expect a challenging yet rewarding hike to ...

Looking to whisk your special someone into the great outdoors? Check out these romantic hikes in Southern California that are ...

The Umatilla River once served as an important meeting ground for the Cayuse and their Nez Perce allies to the east.