Arizona’s iconic saguaro cactuses seem like immobile sentinels standing watch over the Sonoran desert landscape. But beneath their still, spiny exteriors, these towering cactuses are actually ...

You might have noticed our beloved saguaros have been sporting new hairdos lately. No, they're not growing baby avocados at the crown of their heads. These bulbous green nubs are the buds that bloom ...

A principal icon of the American Southwest, the saguaro cactus stands as a large green pillar on the desert horizon, beckoning newcomers to the desert with open “arms.” This icon of Arizona’s ...

Cactuses are an integral part of the Arizona landscape — especially the tall saguaros that tower over swaths of the desert. Each year in the late spring, white blossoms emerge in the desert, crowning ...

There is several things to do at Saguaro National Park located in Tucson Arizona. Beyond activities, the park itself pro ...

Don Swann, biologist with the National Park Service, left, and Gabe León with American Conservation Experience, take pictures at Saguaro National Park West as part of an effort to track cactus flowers ...

In 2020, a new fear sprouted in metro Phoenix. Amid the utter turmoil of the COVID-19 pandemic and a record-hot summer, the area's mighty saguaros were toppling at a rate that alarmed casual observers ...

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 ...

While the Grand Canyon may be Arizona’s most well-known national park, it’s not the only one worth a visit. With 22 total National Park Service monuments, parks, recreation areas, historic sites, and ...

Geologist Jeff Moore was visiting family in Tucson when he got the idea of adapting tools used to measure earthquakes for the study of saguaro cactuses. Studying the inner structure of a cactus ...