Divided into two districts, Saguaro National Park in Tucson, Arizona, is most famous for its towering cacti, captivating desert scenery, and outdoor recreation opportunities. The best time to visit is ...

The tallest saguaro cactus ever recorded in the park reached 78 feet, though it fell over in 1986. You can see tall cacti on the Loma Verde loop in the East District. These giant cacti have become a ...

Most of the people reading these words weren't alive when Saguaro National Park was set aside as a federal preserve 75 years ago. Ah, but here's a telling fact: Many of the saguaro cacti now growing ...

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 ...

Soar above the rugged beauty of Saguaro National Park in southern Arizona, where the iconic saguaro cacti rise from the Sonoran Desert like natural sculptures. This aerial journey captures the ...

Saguaros may add another layer of protection to that already provided by their tough flesh, spined ribs, massive size, protective state laws, a federal haven and a vigilant public. Think microchips.

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 ...

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, ...