Over the last five years, researchers have found that the death rate for saguaros in the Phoenix area jumped from 1% to 2% every year, and is now closer to 7% ...

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

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.

TUCSON, Ariz. • Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early ...

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 ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the Tohono O'odham Nation, harvest time for the “bahidaj” ...

Mycorrhizal fungi are a vital part of ecosystems around the world — including to climate-threatened saguaros here in the ...

TUCSON, Ariz. (AP) — The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ripens. For members of the Tohono O’odham ...