Yesterday marked the first official day of the spring season, and the western slope is slowly warming up to match that energy ...

John Wesley Powell A professor of geology at Illinois Wesleyan, John Wesley Powell had more than just a passing interest in the layers upon layers of rocks exposed by the Colorado River.

It was our job to run the length of the Colorado River through the Grand Canyon and search out ... Day seven: halfway through the journey. Clouds gathered on the canyon rim above us and peeled apart ...

The best times to visit the Grand Canyon are March through May ... Temperatures can also vary throughout the park: Areas near the Colorado River tend to be warmer, while the North Rim can ...