Ursa, chef Aaron Lopez’s desert-inspired fine dining restaurant, opens in downtown Tucson this fall with a menu celebrating indigenous ingredients.

To stop. This is the Mojave National Preserve — 1.6 million acres of desert made strange and sacred by lava flows, fossil beds, abandoned mines, creosote, Joshua trees.

Disturbing a desert tortoise in its native habitat is not only risky for the tortoise, it's illegal, state officials say.

Dirt will fly when the California Four Wheel Drive Association and Mojave Desert Heritage and Cultural Association host the 2nd Annual East Mojave Trek. The four-day event, beginning April 24, at ...