The "Desert Pulse" project was a two-year process to put together, and involved sensors and other technology at around 20 ...

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 ...

As saguaros across the Sonoran Desert suffer from the combined stresses of extreme heat and drought, researchers say these climate changes threaten the large saguaro forests we see across Southern ...

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 ...

Rain totally transforms the landscapes surrounding these trails, coaxing out desert blooms, creating ephemeral waterfalls, ...

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, ...

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 ...

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

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 ...