Editor’s note: This is the first part in a two-part series detailing developments in the UA’s operation of Biosphere 2. The UA looks to tackle “”grand challenges”” and inform the public about science ...

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.

ORACLE, Ariz.—Opening the door to a glass pyramid, a visitor steps from the arid heat of Arizona into a coastal fog desert that stretches toward a savanna. A Lilliputian ocean laps against a rocky ...

In the 25 years since the first enclosure of eight people inside Biosphere 2 came to an end, Columbia University and now the University of Arizona have tried to rebrand the unique space as a tool for ...

Almost 30 years ago, eight researchers entered a glass-walled recreation of Earth's collective ecosystems out in the Arizona desert and didn't emerge for two years as part of a radical experiment. In ...