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 ...

An international team of researchers has descended on University of Arizona’s Biosphere 2, sealing off the complex’s rain forest, to conduct a one-of-a-kind study examining the impact of droughts on ...

Thirty years ago last month, on Sept. 26, 1993, a group of eight weary, visionary adventurers “returned” to Earth after two years of living together in a miniature version of our world — a ...

The AI system analyzes data from more than 1,800 sensors at one-minute resolution.

Biosphere 2 was a highly ambitious experiment to simulate a self-sustaining Mars colony in the Arizona desert. Eight men and women locked themselves inside for 2 years and experienced one incredible ...

Add Yahoo as a preferred source to see more of our stories on Google. A page from the Deseret News on Sept. 26, 1991, as the eight "Biospherians" entered their enclosed life biosphere in Oracle, Ariz.

For sale: 137,000-square-foot building with stunning views of the Catalina and Tortolita mountains through 6,500 windows. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...