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 ...

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 ...

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 ...

PHOENIX — Biosphere 2, a massive research facility in southern Arizona, will soon be used to investigate changes in Earth’s oceans, rainforests and crops. “We’re going to start other experiments in ...

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, ...

An international team of researchers has descended on University of Arizona’s Biosphere 2, sealing off the complex’s rain forest, to conduct a one-of-a-kind study examining the impact of droughts on ...

ORACLE, Ariz. — Walking through the air lock of Biosphere 2, I was grateful that the two thick steel doors didn’t slam shut behind me. Unlike the research facility’s original occupants, who were ...

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 ...