Scientists discovered how to study cactus movement without harm - by measuring the silent sway of these desert giants using ...

Planning a trip to Arizona? Here are 12 must-see attractions, from the Grand Canyon to Monument Valley, and other unforgettable natural landmarks.

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 Nation, ...

Bird, William L. 2021. In the Arms of Saguaros: Iconography of the Giant Cactus, Wilder, Benjamin T., editor. Tucson: Desert Laboratory on Tumamoc Hill/University of Arizona. In Proceedings 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 ...

Wild burros' appetite for native desert trees are endangering the health of Sonoran ecosystems, a new study found. By damaging cactuses and other vegetation, the burros also put themselves at risk, ...

Towering structures must be able to bend and sway when subjected to the forces of wind and ground movement, or they will topple, whether it's a building, a geological formation, tree—or even a cactus.