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 ...

"The reason it's called Biosphere 2 is because Biosphere 1 is planet Earth, right? The real world," University of Arizona ...

Untapped and under-explored, the Copper Corridor region is host to scenic mountains and charming mining towns. If you’re ...

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