Pablo Guerrero has been visiting cacti in the Atacama Desert his whole life, first on family trips to the Chilean coast and later as a researcher studying the impacts of climate change and illegal ...

Cacti are a type of plant that is known for its thick, fleshy stem and its spines. These plants are native to the deserts of North and South America, and have adapted to the dry, hot climate by ...

Prickly pears are iconic cacti that are easily identified by their paddle-shaped leaves. Native to the southwestern United ...

As saguaros across the Sonoran Desert suffer from the combined stresses of extreme heat and drought, researchers say these climate changes threaten the large saguaro forests we see across Southern ...