In 2019, scientists turned off the rain in Biosphere 2’s glass rainforest for 9.5 weeks. Carbon storage fell about 70%, and recovery began when rain returned.

ORACLE, Arizona—From the outset, the Biosphere 2 project had all the ingredients of a large-scale earth science experiment with profound implications for human survival in outer space. Could a small ...

A giant indoor ocean in Arizona showed that future CO2 levels could cut coral skeleton growth by 40%, offering a look at ...

ORACLE, AZ — Four dozen Sonoyta pupfish are now swimming beneath the towering glass pyramids of the University of Arizona's Biosphere 2 after a multi-year effort to conserve the critically endangered ...

Researchers who study Earth's biosphere tend to operate from one of three scientific cultures, each with distinct ways of conducting science, and which have been operating mostly independently from ...

ORACLE, Ariz. — They lived for two years and 20 minutes under the glass of a miniature Earth, complete with an ocean, rain forest, desert, grasslands and mangroves. Their air and water were recycled, ...

The rare Sonoyta pupfish were introduced into a desert river habitat inside the huge Biosphere 2 structure near Tucson. The dish are native to Quitobaquito Springs near the Arizona-Mexico border, but ...