The majority of the canyon's services and facilities – campgrounds, lodges, guided tours, etc. – are located on the popular South Rim. Because the Grand Canyon ... the area is closed from ...

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

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...

For those willing to brave the trip, rafting down the Colorado River in the Grand Canyon is a memorable, once-in-a-lifetime experience. But now, the National Park Service is proposing a ...