Most people see their first saguaro (pronounced “sah-wah-roh”) cactus on television, perhaps in a cartoon or a Western movie. The signature plants of the Sonoran Desert, towering saguaro cacti ...

The Saguaro National Park is found in the Sonoran Desert. This Park is home to the largest species of cacti. Find out more about this interesting desert and the scientists studying there at the ...

President Teddy Roosevelt, the quintessential conservationist, said, "A grove of giant redwoods or sequoias should be kept just as we keep a great and beautiful cathedral.” While in Tucson, Arizona, ...

There is a specific kind of silence that you only find in the Sonoran Desert. It is not an empty silence but a heavy, ...

Justin Stewart, an ecologist with the Society for the Protection of Underground Networks, collects a sample of soil containing mycorrhizal fungi taken at Saguaro National Park. Credit: Wyatt ...

The saguaro cacti around my museum home look like they are celebrating! Flowers and fruits ring their crowns and the tips of their arms. Soon after the white flowers close, the bright red, open fruits ...

A clandestine group has spent thousands of hours searching the Sonoran Desert for massive rare cactuses endangered by the expansion of Arizona cities. The Crested Saguaro Society began searching the ...

The cacti arrive in buckets and cardboard boxes, in truck beds and plastic cups. Some are prickly green knobs smaller than a fist; others are saguaros a few feet tall—miniature versions of the ...