YouTube sensation MrBeast recently visited Biosphere 2 at the University of Arizona to showcase future-focused technologies ...

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 ...

In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the ...

Biosphere 2's ocean ecosystem contains 700,000 gallons of sea water brought in from the California coast — more than an typical Olympic-size swimming pool. Scientists suit up in scuba gear to explore ...