The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly plugging away at research they hope will help us all adapt to the Biosphere ...

Inside Biosphere 2's giant glass pyramid, tropical trees stretch 80 feet above the forest floor. Crazy ants, so named because of their erratic movements, scurry below.

Biosphere 2 will continue to operate as one of the world’s most diverse controlled ecological systems thanks in part to a $30 million endowment from its co-founder. Philanthropist Edward P. Bass ...

Though the Biosphere 2 experiment is often described as a test run of a future space colony on the Moon or Mars, the project in fact had deep environmental roots, says Mark Nelson, one of the ...

Three decades after the original experiment, Biosphere 2 is still doing research that's the first of its kind. "There's no place where you can test on a large scale the response of complex ecosystems.

Inside Biosphere 2's giant glass pyramid, tropical trees stretch 80 feet above the forest floor. Crazy ants, so named because of their erratic movements, scurry below.

Coffee and chocolate in the rainforest Inside Biosphere 2's giant glass pyramid, tropical trees stretch 80 feet above the forest floor. Crazy ants, so named because of their erratic movements, scurry ...