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

The political and social issues we wrestled with in the 1960s and 1970s still haunt us in the 2020s. From social justice to climate change, space exploration to alternative economies, it is curious ...

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 1991 a group of enthusiastic dreamers built what would become known as Biosphere 2, a massive internalized ecosystem meant to emulate Earth's atmosphere, in an attempt to study what it would be ...

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 ...