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 ...

Here’s everything you need to know to plan a trip to Saguaro National Park. 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 ...

The Trust for Public Land closed a deal to acquire 47 acres that will be added to Saguaro National Park West near Tucson. The trust worked with Pima County and the Southern Arizona Hiking Club to make ...

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 ...