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

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

Experience the wonder of the Grand Canyon on an epic road trip adventure. Explore breathtaking landscapes and create lasting ...

stretching from the Grand Canyon to Petrified Forest National Park. This stunning landscape formed over millions of years through geological and climatic processes. Layers of shale, mudstone ...

Ink-slingers from Arizona and beyond will fire up their needles during the 2025 Grand Canyon State Tattoo Convention from Friday through Sunday, transforming bare skin into living canvases.

Grand Canyon National Park is raising fees at its campgrounds for the first time in 20 years. Fees will increase for standard campsites at the Desert View and Mather campgrounds at the South Rim ...

Maryland men’s basketball learned its NCAA Tournament draw Sunday night, and the No. 4 seed Terps will open in Seattle at 4:35 p.m. Friday against No. 13 seed Grand Canyon. While the Antelopes ...

The top-seeded Utah Valley Wolverines will take on the second-seeded Grand Canyon Antelopes in the championship game of the 2025 WAC Tournament on Saturday night. Utah Valley is coming off a 68-55 ...

Layered rock formations The Grand Canyon is a geological marvel, with layers of sedimentary rock that span nearly two billion years. The vibrant colors – from deep reds to golden yellows ...

Musicians write songs about it. Scientists read the history of North America in the layers of its rock walls. The Grand Canyon is one of the Seven Natural Wonders of the World, with other ...

Credit: Laurie Crossey, UNM Newsroom “The Tonto Group of Grand Canyon holds a treasure trove of sedimentary layers and fossils chronicling the Cambrian Explosion some 500 million years ago, when the ...

"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 ...