University of Arizona’s Biosphere 2 has been the site for research on ecological systems and human habitation since it was built in the late 1980s. Now, the 3-acre ecological laboratory about 30 miles ...

ORACLE, Ariz. — Plopped in the Sonoran Desert, just outside Tucson, Ariz., sits a massive, multilevel greenhouse that's probably best known as the inspiration for a Pauly Shore movie. A slick, stepped ...

Nestled in the foothills of the Catalina Mountains, around 31 miles from Tucson, there exists an oasis; a collection of environments one would never anticipate to exist in the scorched Arizona desert.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spoiler alert: "Spaceship Earth" will be discussed in detail in this piece. "Spaceship Earth" ...