Spectacular blooms of wildflowers are carpeting the Merced River Canyon and you'll first spot the bursts of color —poppies, lupine, red bud and more — in Mariposa on your way to the Arch Rock ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

By Raymond Zhong You don’t need me to tell you that the Grand Canyon is magnificent ... that cut a chasm into all that rock. The Colorado River is the water knife that gravity dragged through ...

Dave Parker and Jeff Birchfield climb the ice in Bad Rock Canyon on Saturday ... winds between the Middle Fork of the Flathead River and the canyon wall. In the dead of winter, a 40-foot ...

The Grand Canyon, a Cathedral to Time, Is Losing Its River Written and photographed by Raymond Zhong, who joined scientists on a 90-mile raft expedition through the canyon. | June 6, 2023 Down ...