Geologists have solved the mystery of the disappearance from the geological record, millions of years ago, of one of North ...
Researchers have tracked the Miocene Epoch’s version of the Colorado River to a now dry lakebed east-southeast of the Grand ...
The town of Cave Creek in Arizona is on the front lines of the Colorado River crisis. It will get help from Phoenix before ...
Northern Arizona’s Grand Canyon is one of America’s most spectacular natural wonders, stretching along 277 miles of the 1,450 ...
Researchers say the ancestral Colorado River formed an ancient lake in northern Arizona roughly 6.6 million years ago that ...
The Colorado River is among the most famous, significant, and culturally iconic bodies of water in the United States. But did ...
The study says the Colorado River took a convoluted path as it carved the canyon — and got help from an ancient lake.