Horses And People

By Julian Smith One of the most enduring icons of the American West is a Native American rider on horseback, galloping into battle or chasing down a herd of buffalo. For all of its cultural...

The Maya Collapse Revisited

By Wayne Curtis Ever since explorers John Stephens and Frederick Catherwood stumbled out of the Yucatán Peninsula’s jungles two centuries ago with headline-making tales of crumbling stone ruins, scholars have struggled to explain what happened...

Sacred Objects From The Heavens

By Tamara Jager Stewart The Bloody Basin meteorite was in the Red Creek Ruin in the Tonto National Forest when it burned down around 1385. It’s not known if the ruin’s occupants venerated the meteorite....

Racing For A Purpose

By David Malakoff Conducting field research on Arizona’s Perry Mesa, a rugged wedge of desert some forty miles north of Phoenix known for its dazzling rock art and ancient ruins perched atop spectacular cliffs, can...

Investigating Submerged Landscapes

By Wayne Curtis “It's a huge area,” said Ashley Lemke. “It's really deep. It's really cold. And it's hard to get to.” Lemke was talking about the Alpena-Amberley Ridge, a sizeable geological feature that lies...