A pair of relocated beavers are helping restore disappearing wetland habitat along the San Pedro River in a new project by ...

Mount Graham red squirrels live only in the Pinaleño Mountains of southeastern Arizona, where their protected habitat has ...

A thin layer found in the top few centimeters of soil plays a big role in its ecology. Biocrust is built, maintained and ...

Emma Brocato For the Arizona Daily Star Jun 6, 2022 Updated Jul 5, 2023 ...

Eating invasive plants is a better, more natural way of control than chemicals. Many of these foods have vast health benefits ...

Why is the smell of Arizona's monsoon so distinctive? It releases the aromas of the desert, one ecologist says.

Invasive plants also spread quickly in multiple ways, such as by seeds, creeping stems and roots, or fruits eaten by birds ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

Former Arizona Wildcats standout Heath Bray, a prominent figure in the development of the celebrated “Desert Swarm” era, has died per social media posts from his brother, Aaron Bray, and ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.