TUCSON, Ariz. — A four-person crew will soon be locked inside a pressurized habitat at the University of Arizona's Biosphere 2, marking the first time such a mission has been conducted at the research ...

Visitors can once again roam the grounds of the UA’s Biosphere 2. The facility closed to visitors because of COVID-19 in March, then reopened for driving tours in August. The next phase of reopening ...

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 ...

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. (AP) — Firefighters on Sunday were trying to contain a wildfire in southern Arizona that’s burning about a half-mile (0.80 kilometer) from the Biosphere 2 science facility. The wildfire ...

TUCSON — When you think of Arizona, a tropical rainforest is probably the last thing that comes to mind, but that's exactly what there is inside Biosphere 2. "Biosphere 2 is the largest controlled ...

Nestled in the foothills of the Catalina Mountains, around 31 miles from Tucson, there exists an oasis; a collection of environments one would never anticipate to exist in the scorched Arizona desert.

University of Arizona’s Biosphere 2 has been the site for research on ecological systems and human habitation since it was built in the late 1980s. Now, the 3-acre ecological laboratory about 30 miles ...

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, ...

PHOENIX — The Biosphere Fire that was burning outside of Tucson Sunday morning has been fully contained. The wildfire burned approximately 13 acres, according to the Department of Forestry and Fire ...

ORACLE, AZ (3TV/CBS 5) — Firefighters in southern Arizona have contained a wildfire that broke out Sunday morning near the famous Biosphere 2 facility. Arizona State Forestry officials said in a ...