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 ...

River rafting enthusiasts will find thrills and spectacular views of awe-inducing cliffs while navigating the river that cuts ...

North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

Florida’s landscape hides a 120-foot deep secret in plain sight, and it’s not another theme park or beach resort – it’s Devil ...

Nestled in the heart of Gainesville lies a geological marvel that defies everything you thought you knew about Florida’s ...

A geologic cross section of the Grand Canyon, described along the Trail of Time, includes the following layers from youngest to oldest: Compared to these old, old rocks in its walls, Grand Canyon ...

Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

Hells Canyon, which is on the border between Oregon and Idaho, is almost 8,000 feet deep. That makes it far deeper than the famous Grand Canyon ... with the Utah Geological Survey.

Palo Duro Canyon State Park, featuring the "Grand Canyon of Texas" with its iconic ... revealing 120 miles of colorful rock ...

But all of the Grand Canyon figurines have been discovered in deep caves in the Redwall Limestone stratum—by far the most difficult geologic layer in the canyon to climb through, because its ...

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 ...