A Flagstaff-based hub for regional science -- and for the protection of the Grand Canyon and the Colorado River -- could be ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Since 1963 the Glen Canyon Dam has obstructed the flow of water and accompanying sand into the Grand Canyon via the Colorado River. In response the Glen Canyon Dam Adaptive Management Program ...

The National Park Service recently identified a hiker who died in the Grand Canyon last week as a beloved 74-year-old Washington state doctor. Grand Canyon Regional Communications Center staff ...

This one-day itinerary includes the best of Grand Canyon's South Rim, including El Tovar, Mather Point, Bright Angel Trail ...

A single day at Grand Canyon is well worth your time. This itinerary has the highlights. Park your car and ride the shuttles to the best scenic views and historical locations. Numerous activities ...