Jane Poynter

The eight original inhabitants of Biosphere 2 left their glass terrarium a quarter-century ago last month in two groups that no longer talked to each other. Detractors had called the $150 million experiment a failure because oxygen had to be pumped into what was supposed to be a self-sustaining system.

But University of Arizona officials say that 25 years after that New Age-style experiment in the Arizona desert the glass-covered greenhouse thrives as singular site for researchers from around the world studying everything from the effects of the ocean's acidification on coral to ways of ensuring food security.

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A $4.5 million incentive package offered to Netflix for locating its new U.S. production hub in New Mexico has cleared its first hurdle.


Facing a tight race for an open U.S. Senate seat in Arizona, Republican candidate Martha McSally has recruited former GOP presidential nominee Mitt Romney for a Friday rally.

(AP Photo/Eric Risberg, File)

Arizona will be home to a new, sprawling facility solely dedicated to researching autonomous vehicles, signaling the state's full embrace of the growing technology.

(AP Photo/Ross D. Franklin)

Republican activists on Thursday released a video of Rep. Kyrsten Sinema, a centrist Democrat now running for an open Arizona U.S. Senate seat, advising liberal activists how to "stop your state from becoming like Arizona."