From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...

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. Could humans survive inside a closed world with no ...

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 ...

In the 1990s, a troupe of hippies spent two years sealed inside a dome called Biosphere 2. They ended up starving and gasping for breath. As a new documentary Spaceship Earth tells their story, we ...

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 ...

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As the sun expands over the coming billions of years, Earth will become inhospitable to any life more complex than a microbe ...

Biosphere 2 first became famous as the human experiment of the 1990s that sealed a group of eight researchers inside its 3 acres of diverse ecosystems for two long years. The goal was to experiment ...