Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress. "It doesn't take a ...

Increasingly frequent and severe heat waves in the Southwest are damaging some desert plants known for thriving in harsh conditions. Saguaro cacti and agave have both suffered in sweltering weather ...

John C. Cushman is a foundation professor at the University of Nevada, Reno and director of the Biochemistry Graduate Program in the Department of Biochemistry & Molecular Biology. He earned a B.S.

Made to withstand the harsh climate of the desert and thrive in it, the dead and decaying desert plants throughout the Sonoran landscape may be perplexing to those who see it. But even the toughest ...

Divided into two districts, Saguaro National Park in Tucson, Arizona, is most famous for its towering cacti, captivating desert scenery, and outdoor recreation opportunities. The best time to visit is ...