ORACLE, AZ — Four dozen Sonoyta pupfish are now swimming beneath the towering glass pyramids of the University of Arizona’s Biosphere 2 after a multi-year effort to conserve the critically endangered ...

Biosphere 2's Ocean Habitat is welcoming corals for the first time in over 30 years, potentially aiding global coral reef ...

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. - A wildfire in southern Arizona that burned about a half-mile from the Biosphere 2 science facility is now 100% contained, forestry officials said. The Biosphere Fire broke out Sunday ...

TUCSON, Ariz. — It all started with eight scientists and a very ambitious experiment. Now, nearly 30 years later Biosphere 2 is still used to educate people about Earth's systems and gives today's ...

PHOENIX — Southern Arizona’s Biosphere 2 reopened to the public this week for in-person tours for the first time in eight months. The University of Arizona-owned facility had previously allowed ...

ORACLE, Ariz. (KVOA) — Just about an hour out of Tucson is the world's largest controlled environment dedicated to understanding the impacts of climate change. We're talking about the University of ...

Standing atop Biosphere 2’s iconic rooftop dressed in the same spacesuit George Clooney wore in the 2013 film “Gravity,” ...

ORACLE, Ariz. — They lived for two years and 20 minutes under the glass of a miniature Earth, complete with an ocean, rain forest, desert, grasslands and mangroves. Their air and water were recycled, ...