Arizona The Grand Canyon is a testament to the earth's artistic powers, with its sprawling vistas and breathtaking colors.

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

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 ...

Grand Canyon National Park officials say crews have recovered the body of a 20-year-old California man who apparently drove a ...

A Lukachukai man suspected of flying a drone over the Pinyon Plain uranium mine near the South Rim of the Grand Canyon ...

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

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

Shutterstock A Grand Canyon in Upstate New York In Upstate New York, you’ll find a natural wonder that matches the beauty of ...

Top 4 National Parks in the USThe United States is home to some of the most stunning and diverse landscapes in the world, and ...

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 ...

I’ve been reading a book. I’m about two-thirds of the way through it and have been enjoying it. It’s titled “A Walk in the ...

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