Over the last five years, researchers have found that the death rate for saguaros in the Phoenix area jumped from 1% to 2% ...

Organ Pipe Cactus National Monument in Arizona sits along a primary migratory flyway for birds stopping during their long journeys elsewhere. Birders, photographers, and those who simply enjoy ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ...

Mycorrhizal fungi are vital to ecosystems around the world, but remain largely understudied, especially in arid regions. They ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

Relive Arizona’s eighties drive-thru glory days with 15 long-lost fast-food favorites that locals still dream about.

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. Kris Van Cleave ...