With more than 1,200 square miles of land area, U.S. Army Yuma Proving Ground (YPG) is the fourth-largest installation in the ...

Photos: What migrants leave behind on their journeys through the desert Personal effects are scattered throughout the Sonoran Desert, where thousands of undocumented immigrants have died making ...

A new self-storage facility has been proposed for about 8 acres of undeveloped land near Santa Rosa Springs.

Tribes, federal, state and local officials, conservation groups and residents supported protecting 600,000-plus acres of desert forever.