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,” YouTube personality MrBeast shared a piece of Southern Arizona with the ...

Thirty years ago last month, on Sept. 26, 1993, a group of eight weary, visionary adventurers “returned” to Earth after two years of living together in a miniature version of our world — a ...

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 ...

YouTube sensation MrBeast recently visited Biosphere 2 to showcase future-focused technologies and their potential impact on ...

Biosphere 2 was a highly ambitious experiment to simulate a self-sustaining Mars colony in the Arizona desert. Eight men and women locked themselves inside for 2 years and experienced one incredible ...

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 ...

Biosphere 2 started with eight scientists and a very ambitious experiment. Now, almost 35 years later, it's still being used for cutting-edge research. Scientists continue to use it to study Earth's ...

Mark Nelson, one of the eight crew members locked in Biosphere 2 during its first closure experiment, offers a compelling insider’s view of the dramatic story behind the mini-world in his forthcoming ...

UA officials at Biosphere 2 are working to mold the site of the controversial experiment into a premier scientific hub that gives the public unprecedented access to climate and ecological research.