Yuma, Arizona, is under a hazardous air quality alert after PM10 pollution pushed the Air Quality Index to 961, according to ...

Yuma is being lined up for vertical rocket launches, while Sierra Vista is staking its claim as the state's re-entry and ...

We’re learning more about two Arizona sites that could become key players in the state’s future space economy.

YUMA, AZ — Yuma farmers grow much of the country’s winter lettuce and vegetables, but growers say their future depends on a Colorado River agreement that still does not exist. Farmers, like Matt ...

A winter weekend in the desert is a simple reset for Coloradans. You trade icy mornings for warm walks, good food, and a short health errand across the line. The plan is weekend-friendly: drive to ...

Arizona, a major supplier of leafy greens to the U.S., faces water shortages and farmland loss. Loss of Arizona farmland could increase U.S. reliance on imported produce, impacting food security and ...

A large plume of dust and fine particulate matter has led the US Environmental Protection Agency to declare hazardous air quality across an 80-mile stretch along the Arizona–California border. Yuma, ...