Saguaro cactuses are an iconic symbol of the American Southwest and the country's largest cactus species. But the world-famous cactuses are beginning to wither and die amidst the state’s ...

A towering cactus that likely predates the Civil War has fallen in Arizona’s Picacho Peak State Park, raising questions about whether its collapse was related to record heat in the Southwest. The ...

PHOENIX (AP) — After recording the warmest monthly average temperature for any U.S. city ever in July, Phoenix is poised to climb back up to dangerously high temperatures this week. That could mean ...

An example of nature’s resilience is on display in Catalina State Park, as flowers have started blooming atop the one remaining living arm of a giant saguaro that collapsed last year. The saguaro, ...

Saguaro cactuses, those iconic, multi-armed pillars of green that stand as prickly monuments to life’s persistence in the harshest climates, may have finally met their match. The Associated Press ...

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, ...

PEORIA, Ariz. - July was the hottest month on record for any U.S. city, but now it might be becoming too hot to handle. Plants that typically thrive in the desert, like saguaro cactus are losing arms, ...

TUCSON, Ariz. (KGUN) — Recent photos of toppled cacti in Arizona's sweltering heat have highlighted the struggle of native plants. Owner of Cultiva Landscaping Alfonso Chavez explains the challenges ...

One giant saguaro lies prone, with two huge trunks jutting out from a thick set of roots running parallel to the ground. Another still stands but it’s been sheared off at the top. Two big arms are ...

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

Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch time pass. While they can grow to unique heights, one cactus holds the ...