Researchers are unraveling the complex symbiotic relationship between fungi and the saguaro cactus, which is increasingly at ...

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 ...

Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch time pass. While these iconic Arizona cactuses are special for many ...

TUCSON, Ariz. (AP) — Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early summer days, in search of ripe fruit from the towering saguaro cactus, an ...

Fall brings a special kind of magic to the iconic Saguaro National Park in Arizona. Here's what makes this season one of the ...

Tanisha Tucker Lohse, of the Tohono Oʼodham Nation, picks a ripe saguaro cactus fruit during a harvest day in Saguaro National Park near Tucson, Arizona, this June. Credit: Ross D. Franklin/AP Photo ...

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 ...

Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early summer days, in search of ripe fruit from the towering saguaro cactus, an icon of the ...

TUCSON — Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early summer days, in search of ripe fruit from the towering saguaro cactus, an icon of the ...