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 ...

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 ...

TUCSON - Residents can soon visit the rainforest without leaving the Grand Canyon State - the Biosphere 2 will reopen its rainforest ecosystem for public tours starting Saturday. Back in September, ...

ORACLE, Ariz. — You won't be able to enter the rainforest on your next trip to Biosphere 2 in Oracle. It's closed because a drought is about to "hit" the rainforest. An extensive $2.1 million research ...

After two months of controlled drought, Biosphere 2’s tropical rainforest is dancing in the rain once again. The University of Arizona’s Biosphere 2, located north of Tucson, is home to several ...