To fight off predators of the humpback chub, a threatened fish native to the river, Glen Canyon Dam in northern Arizona would ...

The study says the Colorado River took a convoluted path as it carved the canyon — and got help from an ancient lake.

Grand Canyon National Park welcomes more than four million visitors per year. National Park Service The Grand Canyon is one of America’s most popular natural landmarks, attracting more than four ...

Research is now providing insight into how and when the Colorado River, whose continuous might has carved out the Grand ...

Researchers have tracked the Miocene Epoch’s version of the Colorado River to a now dry lakebed east-southeast of the Grand Canyon. Reading time 3 minutes Geologists know that the Colorado River has ...

There’s a new theory about what helped form one of America’s grandest natural wonders - The key to solving a nearly 7 billion-year-old geological mystery could be microscopic ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Let’s call it the West’s most critical 80 miles. The Colorado River begins as a dribble in Rocky Mountain National Park before swelling into a lifeline that sates and powers some 40 million downstream ...

Grand Canyon National Park has extended several major inner canyon trail closures into 2026 to support safety measures and the Transcanyon Waterline rehabilitation. The Plateau Point Trail, River ...

Getting your Trinity Audio player ready... Driven in part by the ongoing western megadrought, the foundation governing how Colorado River water is shared may be cracking, threatening drinking water ...