The space prototype colony Biosphere II shows high carbon dioxide levels. Biosphere II’s carbon dioxide level was more than that in the atmosphere but within safety standards, according to a report ...

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 ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Away from the cacophony of urban life, most of us look for respite in sites with natural beauty, lush greenery, and peaceful surroundings. As the tourist season approaches, it is no surprise that ...