In Arizona, nature is diverse and dramatic. The state's Tonto Natural Bridge State Park is home to the world's largest natural travertine bridge, where visitors can hike and explore its unparalleled ...

In the midst of climate change, awareness of humanity’s negative impact on the planet has grown, making the idea of moving to another planet more appealing. This led to the concept of Biosphere 2, ...

Four middle school students from Baker City — and their adult chaperones — spent three days immersed in science at Biosphere ...

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 ...

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, ...

ORACLE, AZ — Arizona is home to one of the most unique science experiments in the world. Biosphere 2 is a groundbreaking research facility studying climate change and ecosystems inside an enclosed ...

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. C.

In 2007, the University of Arizona took over the management of Biosphere 2 from Columbia University which ran it from 1996 to 2003. Please click on the slide below to see this slideshow of the EDN ...