In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the Arizona desert, a kind of fake Earth built to see whether humans could ...

The facility, owned by the University of Arizona, was closed for a day in November to accommodate MrBeast's production crew.

TUCSON, Ariz. — As part of our summer series, One Tank Trips, the crew of Good Morning Tucson is taking you to places on much less than a tank of gas. April Madison headed north of Tucson to Biosphere ...

In the Arizona desert, a vast glass structure sits far from cities and farmland. It was built to test an idea that once seemed urgent and uncertain. C.

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 ...

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 ...

John de Dios Steve DeLong, project manager for Biosphere 2’s Landscape Evolution Observatory, thanks his large team for their hard work with getting the project up and running. DeLong will leave ...

Before dawn on April 4, 1994, Abigail Alling and Mark Van Thillo slipped across the foothills of Arizona’s Santa Catalina Mountains. They made their way to a looming monument of geodesic domes and ...

TUCSON, Ariz. (KVOA) - At the University of Arizona's Biosphere 2, a groundbreaking experiment is shedding light on how humans might one day survive on Mars. For two weeks, researcher Matthias Beach ...