Beneath the Grand Canyon’s iconic layers, scientists have uncovered a fast-paced, 500-million-year-old tale of evolution that ...

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

"The Tonto Group of Grand Canyon holds a treasure trove of sedimentary layers and fossils chronicling the Cambrian Explosion some 500 million years ago," paper author and Utah State University ...

Traveling through the national parks of Utah is taking a trip through time. Along the parks’ hiking trails, road and ...

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 ...

The National Park Service identified the victim as Dennis Smith of Washington state Getty Dennis Smith was attempting to hike from the South Rim to the North Rim of the Grand Canyon when he was ...

GRAND CANYON, Ariz. (KGUN) — National Park Service (NPS) staff are urging hikers to be aware of heat risks as temperatures rise in and around the Grand Canyon following the death of a Washington ...

Federal officials have confirmed that they will not flood the Grand Canyon this spring, citing ongoing work on Glen Canyon Dam and in the Colorado River downstream. Colorado River advocates say ...

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 ...