There's more behind the Grand Canyon's striped layers than meets the eye, and some of the best places to see them aren't from ...

Geologists have solved the mystery of the disappearance from the geological record, millions of years ago, of one of North ...

New research suggests the Colorado River once pooled into a vast ancient lake before spilling over and carving the Grand Canyon. Using zircon crystal analysis, scientists traced sediments back to the ...

The Colorado River is among the most famous, significant, and culturally iconic bodies of water in the United States. But did you know that this enormous river once disappeared from the geological ...

Scientists have uncovered the moment the Colorado River was “born,” revealing how it once pooled in a vast lake before ...

The Colorado River existed in western Colorado 11 million years ago and first exited Grand Canyon around 5.6 million years ago. Now, scientists know more about the path it took to eventually reach the ...