A hermit crab skitters across the rocks at the foot of a spiny cactus. On the shoreline, the waning tide has revealed a series of pools occupied by urchins and starfish. Out on the water, a ...

On Biosphere 2, you'll see the only ocean in the entire state of Arizona. Different ocean scenarios are tested to better understand the future.

UA Biosphere 2 is hosting Earth Month, a series of activities held on weekends during April where people can learn about different environments through a variety of interactive learning experiences.

Today, Biosphere 2 is a different kind of place, a University of Arizona site where researchers from around the world can study everything from the effects of the ocean’s acidification on coral ...

Today, Biosphere 2 is a different kind of place, a University of Arizona site where researchers from around the world can study everything from the effects of the ocean's acidification on coral to ...

Biosphere 2 once hosted radical experiments for a self-sustaining ecosystem. ... The tour guide will explain current research at the rainforest, ocean, savanna and desert habitats.

Langdon is no stranger to Biosphere 2’s ocean. In the 1990s he conducted research there, revealing for the first time that ocean acidification causes corals to dissolve from a lack of calcium.

Inside Biosphere 2, five "wilderness" zones — rainforest, ocean, savanna, marsh, and desert — emulated Earth's ecosystems. They helped scrub carbon dioxide from the air and generated oxygen.

The crew stayed in Biosphere 2 for the full two years, but when they emerged, their experiment was largely dismissed as a scientific failure. It was, from a monetary perspective, a total disaster.

The University of Arizona will launch its first crowd-funding campaign to plan the transformation of Biosphere 2’s tropical lagoon into an ocean filled with species from the Gulf of California ...

On Biosphere 2, you'll see the only ocean in the entire state of Arizona. Different ocean scenarios are tested to better understand the future.