This is your chance to potentially claim one of 450 self-guided rafting tour permits for the Grand Canyon's Colorado River.

On the Reddit thread r/arizona, users share things about the Grand Canyon state that they find underrated, from food and ...

Explore the iconic Colorado landmarks that you must visit. From breathtaking mountains to historic sites, discover the beauty ...

GRAND CANYON NATIONAL PARK, Ariz.— Tribes, conservation organizations and community groups today defended Baaj Nwaavjo I’tah Kukveni – Ancestral Footprints of the Grand Canyon National Monument, which ...

With 28 National parks in California, you can truly find something for everyone to see and enjoy. California National Pa ...

No matter where you are from, exploring the wilderness is natural. The United States of America has a rich history replete ...

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...