In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, ...

As part of our summer series, Good Morning Tucson is taking you north to Biosphere 2. It's a 37 mile drive from the eastside ...

Go on a self-guided tour at a one-of-a-kind research site in Arizona where you can explore sealed biomes simulating Earth's climate and ecosystems.

Biosphere 2, about 20 miles north of Tucson, ... Two of the four UACI members at Biosphere 2 already have begun using space there.

Twenty years after Biosphere 2 broke ground near Oracle, the one-of-a-kind terrarium and its surrounding land have been sold for $50 million. Home developer buys Biosphere 2, its adjacent 1,650 ...