After temporarily halting tours due to COVID-19, visitors will again have the opportunity to visit Biosphere 2, designated as one of "50 must see wonders of the world" by LIFE Magazine. Beginning ...

TUCSON, Ariz. — For the first time since the $150 million structure was built more than a decade ago, the Biosphere 2 Center is offering a tour that allows visitors to experience the different ...

"Under the Glass" tour of replicated Earth ecosystems. Where: 32540 S. Biosphere Road. Take Oracle Road, also known as Arizona 77, north and turn right half a mile past Milepost 96. Hours: 9 a.m.-4 ...

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 ...

ORACLE, Ariz. — To be honest, I wasn’t quite sure what the Biosphere 2 was until a recent visit. I vaguely remembered reading about a controversial scientific experiment involving people isolating ...