The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history ...

Find out that the Grand Canyon, a colossal Arizona chasm carved by the Colorado River, showcases billions of years of ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico ...

History of Grand Canyon Discovery—How Arizona National Park Went From Valueless Void to Geological Wonder Published Feb 08, 2019 at 5:00 AM EST Updated Mar 06, 2019 at 11:32 AM EST By Stephen Pyne ...

Discover the Grand Canyon, a breathtaking natural wonder in Arizona. Learn about its geology, the Colorado River's role in ...

The Grand Canyon's layered bands of red rock still contain many geological mysteries, geologist Wayne Ranney says. Listen Share Aug, 12 2019 (Here & Now) ...

Could the origins of the Grand Canyon lie in an enormous flood? The answer is no, says geologist Bill Dickinson, an emeritus professor of geology at the University of Arizona in Tucson.

The Grand Canyon National Park’s North Rim, often described as the park’s quieter, wilder side, is now closed indefinitely ...

GRAND CANYON, Ariz. — When I first peered into the layer cake that is the Grand Canyon several years ago, ... Backpack trip tells geologic story of Grand Canyon. Staff Writer.