Here’s everything you need to know to plan a trip to Saguaro National Park, including the best hiking trails, things to do, ...

A planned expansion of the park’s east entrance parking lot has created a unique opportunity to study these protected desert giants.

Climate change, drought, and fires — all caused or worsened by human activity — are rewriting the future of ancient Sonoran ...

This national park also protects an iconic symbol of the desert southwest--the Saguaro Cactus. You can see the best of the park by hiking, biking or along its scenic drive. As the day fades ...

Still, there’s something particularly enchanting about the towering cacti and rugged landscapes of Saguaro National Park. During our visits, we explored a variety of the park’s trails ...

“We like for them to have as many arms as they can get away with,” said Don Swann, a biologist at Saguaro National Park and the co-author of several research papers on the park’s namesake. The cacti’s ...

The saguaro cactus is a distinctive icon of the American Southwest, found only in the Sonoran Desert. This towering plant, which can grow up to 60 feet tall and live for more than 200 years, is the ...

The Cactus Forest Scenic Loop Drive is a paved ... Other visitors advised of numerous snake warning signs. Saguaro National Park is located on both sides of downtown Tucson: The Rincon Mountain ...

Opinions expressed by Forbes Contributors are their own. I write about the world of biology. There are 63 national parks in the United States and almost all of them have at least a few species ..

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.