Cameron Trading Post and The Grand Canyon East Rim The Grand Canyon is on most Arizona itineraries. Obviously, it’s because ...

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

This is not what we’d imagined when we started this venture, an end-to-end hike of the Grand ... in the canyon and felt he was ready for his biggest challenge: a 57-day trek moving east to ...

An East Valley high school football coach was arrested; the body of a California man was found at the Grand Canyon; and more – here's a look at some of our top stories for the morning of February 14.

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

The Grand Canyon is the biggest canyon on earth: 277 miles long, 10 miles wide, and a mile deep. It contains some of the oldest exposed rock on earth, Precambrian Vishnu schist, formed 1.7 billion ...

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole ...