The National Park Conservation Association has identified 13 national monuments it considers at risk after a recent Interior ...
This is your chance to potentially claim one of 450 self-guided rafting tour permits for the Grand Canyon's Colorado River.
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 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 ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...
The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
The National Park Service opened a lottery for extended self-guided rafting trips along the Colorado River in Grand Canyon ...
The Grand Canyon ... national monuments is how they are designated. Congress designates national parks, and the president can designate national monuments through presidential proclamation. Many ...