A small portion of identified uranium resources in the United States are found in the Grand Canyon mineral withdrawal area.

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

One of the more controversial additions to the Grand Canyon's surroundings, the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out ...

Plan a winter trip to the Grand Canyon with our winter guide to the Grand Canyon. Don't let a little snow keep you from ...