By analyzing the natural vibrations of a saguaro, scientists can study the cactus's insides without cutting them open.

Cholla cacti — let's face it — aren't the most beloved of the prickly plants in our neck of the desert. Not only do chollas lack the pleasing stature and shapely form of our trademark saguaros, they ...

On my first weekend in Tucson, friends drove me to Gates Pass west of town to watch the sunset. We climbed the slope a little ways and I was introduced to the species of cactus called cholla, or ...

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 ...

Love is in the air in Arizona. Even the cactuses in the Valentine State, named for the day statehood was declared, would agree. Images of a cactus that looks like a couple kissing have been shared ...

The iconic Saguaro cactus is struggling as heat and drought intensify in Arizona. With record-setting summers in 2020, 2023 and 2024, scientists at the Desert Botanical Garden are noticing unusual ...

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 ...