Most days, you’ll find Joost van Haren tromping through Arizona’s only tropical rainforest. An assistant research professor at the UA, van Haren works in the rainforest at Biosphere 2—in the middle of ...

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 ...

The Amazon-PIRE project will conduct experiments and train students within Biosphere 2's tropical forest biome, pictured here. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

Standing atop Biosphere 2’s iconic rooftop dressed in the same spacesuit George Clooney wore in the 2013 film “Gravity,” YouTube personality MrBeast shared a piece of Southern Arizona with the world ...

Biosphere 2—while Biosphere 1 is Earth—offers a unique opportunity for immersive education. Through engaging science stories, students and educators can delve into our cutting-edge research as they ...

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 ...

Dear EarthTalk: What ever became of the Biosphere 2 project in Arizona and what did we learn from it? – B.C., Tampa, FL Biosphere 2 project began in 1984, led by John Allen who called it “The Human ...

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.

If you’re younger than age 35 and reside outside the Southwest, it’s unlikely you’ve heard of Biosphere 2. The 3.14-acre complex that was a major news story in the late 1980s and early 1990s has since ...

Step inside Biosphere 2’s tropical rainforest, which thrives beneath an enormous glass dome, and visitors are met by a wall of warm humidity and lush greenery. The sprawling complex north of Tucson ...

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 ...