Since the mid-1970s, government agencies, scholars, tribes, and private industries have attempted to navigate potential conflicts involving energy development,

In a remote canyon in northwest New Mexico, thousand-year-old sandstone walls waver in the sunlight, stretching like ancient vertebrae against a turquoise sky.

Spanish missions in the New World usually pacified sedentary peoples accustomed to the agricultural mode of mission life, prompting many scholars to generalize

Startling discoveries and impassioned debates have emerged from the "Chaco Phenomenon" since the publication of New Light on Chaco Canyon twenty years ago. This

For more than fifteen years, Mario Blaser has been involved with the Yshiro people of the Paraguayan Chaco as they have sought to maintain their world in the fa