Add Yahoo as a preferred source to see more of our stories on Google. Despite their prickly appearance, cacti make a great addition to any home and garden space. With their diverse shapes, sizes and ...

Saguaro National Park is famous for its namesake giant cactus, but many might be surprised to learn that the park is home to an amazing variety of other cacti — 25 species in all. In addition to ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch ...

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, ...

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 ...

Scientists have been monitoring these tall cacti since the 1960s—but recent counts suggest populations maybe decreasing. Credit: Saguaro National Park/Flickr One of the most iconic symbols of the ...

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 ...