Editor’s note: This is the first part in a two-part series detailing developments in the UA’s operation of Biosphere 2. The UA looks to tackle “”grand challenges”” and inform the public about science ...

TUCSON, Ariz. — As part of our summer series, One Tank Trips, the crew of Good Morning Tucson is taking you to places on much less than a tank of gas. April Madison headed north of Tucson to Biosphere ...

Biosphere 2 will continue to operate as one of the world’s most diverse controlled ecological systems thanks in part to a $30 million endowment from its co-founder. Philanthropist Edward P. Bass, who ...