ORACLE, AZ — Arizona is home to one of the most unique science experiments in the world. Biosphere 2 is a groundbreaking research facility studying climate change and ecosystems inside an enclosed ...

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 ...

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 ...

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 ...

The rare Sonoyta pupfish were introduced into a desert river habitat inside the huge Biosphere 2 structure near Tucson. The dish are native to Quitobaquito Springs near the Arizona-Mexico border, but ...

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. — 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, ...

Dear EarthTalk: What ever became of the Biosphere 2 project in Arizona and what did we learn from it? – B.C., Tampa, FL Biosphere 2 project began in 1984, led by John Allen who called it “The Human ...

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 ...