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

Southern Utah wood rats have genetically adapted to eat the toxic leaves of the desert-hardy creosote bush, also native to ...

“Her voice was the voice of the desert and its people, of anybody, whether Tohono, Hispanic or Anglo, who truly lives in the desert — in the natural desert,” he said.

Dr. Norma Price moved to Tucson nearly two decades ago, after a career as an oncologist in Atlanta. Soon she learned more about the perils migrants face crossing into the United States across the ...

Arizona Game and Fish Department officials this week are reminding residents to leave wild tortoises alone. In Arizona, ...