The Grand Canyon has an average depth of 4,000 feet, according to the National Parks Service. At its lowest point, the canyon is 6,000 feet deep . At its widest, the canyon spans 18 miles across.

A comparison of the width and depth of the Grand Canyon along the Bright Angel hiking trail (top) and Vallis Planck on the moon’s south pole (bottom). The colors each represent 500 meters of ...

Width and depth of the Grand Canyon along the Bright Angel hiking trail from the south to the north rim compared with the width and depth of Vallis Planck, one of the grand canyons on the moon.

The Grand Canyon is stunning. At Outside, we’re in love with that giant ditch, and chances are, you are, too. This river canyon, measuring 278 miles long, roughly 10 miles wide, and in places ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes. That's ...