Go on a self-guided tour at a one-of-a-kind research site in Arizona where you can explore sealed biomes simulating Earth's ...

The University of Arizona is offering a new Massive Open Online Course called Biosphere 2 Science for the Future of Our Planet that begins Monday, March 12. You may enroll now at Coursera.org for ...

Twenty years after Biosphere 2 broke ground near Oracle, the one-of-a-kind terrarium and its surrounding land have been sold for $50 million. Development of 1,500 new homes and a resort hotel on ...