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 ...

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 ...

Earth's shape can be tested in surprisingly simple ways without relying on space photographs. The strongest part of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes science needs to go big. From telescopes spanning the globe to particle accelerators that would take over 24 hours to ...

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, ...

On Sept. 26, 1991, a grand experiment began. Eight people were locked in the giant terrarium, Biosphere II, to live without physical contact with the outside world for two years. Biosphere II was a ...

Biosphere 2—while Biosphere 1 is Earth—offers a unique opportunity for immersive education. Through engaging science stories, students and educators can delve into our cutting-edge research as they ...

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, 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 ...

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 ...