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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch ...

The saguaro cactus may be the most recognizable plant in the Southwest. It’s so entwined with this region that it adorns buildings, logos, signs and license plates throughout Arizona. Its likeness has ...

Record-high temperatures over the last few years in many parts of the United States have contributed to major stress on plants, animals, and humans. The extreme heat, coupled with a lack of rainfall, ...

Geologist Jeff Moore was visiting family in Tucson when he got the idea of adapting tools used to measure earthquakes for the study of saguaro cactuses. Studying the inner structure of a cactus ...

PHOENIX (AZFamily) — Arizona’s favorite plant, the saguaro, might not be a fan of the Valley’s extreme heat. “It stresses them a lot. One of the things that we’ve noticed through our research and ...

Shaped by the Sonoran Desert and the Salt River, this US city blends luxury with nature-led experiences and restorative treatments rooted in its desert landscapes.

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 ...

In the Sonora Desert in Arizona, the saguaro cacti grow tall and live long. One cactus known to locals as “Strong-Arm” stood more than 40 feet high and had 34 arms. Strong-Arm lived an estimated 150 ...