The Arizona Game and Fish Department has collected newf data indicating that feral burros are impacting plants in the Sonoran ...

As wild burro populations grow, they're putting native vegetation at risk, a new study shows, including the saguaro cactus.

Towering structures must be able to bend and sway when subjected to the forces of wind and ground movement, or they will ...

Four dozen tiny pupfish are swimming in a constructed habitat in a giant glass structure once meant to house humans.

Planning a trip to Arizona? Here are 12 must-see attractions, from the Grand Canyon to Monument Valley, and other ...

Bobcats in the American Southwest have adapted to their harsh desert environment by resting on saguaro cacti. Their tough paw pads protect them from s ...

About 50 Sonoyta pupfish were released into an artificial stream inside the University of Arizona's Biosphere 2 on Friday in hopes of establishing a new reserve population of the endangered ...

Some biologists worry about the impact burros could have on Arizona's desert ecosystem from eating larger plants relied upon ...

From Sedona’s red rocks to Saguaro’s cactus trails, discover why Arizona’s deserts offer peace, healing, and beauty unlike ...

The small fish are expected to thrive inside Biosphere 2 and establish a new, local population, according to researchers.

Towering structures must be able to bend and sway when subjected to the forces of wind and ground movement, or they will topple, whether it's a ...

Whether it's red buckeye or coral honeysuckle, hummingbirds of all kinds will flock to your yard if you grow any of these red ...