First rain on world's largest artificial watershed

Manmade hillsides inside the University of Arizona's Biosphere 2 provide researchers with the first opportunity to study how water, microbes, soil and plants interact in a setting realistic enough to improve global climate ...

Human terrarium, Biosphere 2, looking good at 20

(AP) -- Jane Poynter and seven compatriots agreed to spend two years sealed inside a 3-acre terrarium in the Sonoran Desert. Their mission back in the 1990s: To see whether humans might someday be able to create self-sustaining ...

Planet Earth's playhouse

At Biosphere 2, scientists can move things around, control the climate, turn off certain parameters and run others full tilt.

Biosphere 2 Opens Phoenix Mars Lander Exhibit

(PhysOrg.com) -- A full-size model Phoenix Lander has landed at Biosphere 2 before it heads, ultimately, to the Smithsonian Institution in Washington, D.C