Upstream states on the Colorado River are investing in measurement technology, but experts say more data doesn't always mean more clarity.

A combination of water management practices has contributed to notable groundwater gains in Central Arizona despite the ...

Cochise County Sheriff Mark Dannels and Cynthia Meyers, Outreach Coordinator for the Cochise County School Superintendent's ...

While Resolution Copper is taking a proactive approach to meet its tremendous water needs, their actions may still have a ...

“Over time, the uranium tailings decayed into radon gas; meanwhile, radioactive contaminants seeped into four of the region’s aquifers. Residents compiled a list of neighbors who died of cancer — they ...

The free 12+ app from 12News lets users stream live events — including daily newscasts like "Today in AZ" and "12 News" and our daily lifestyle program, "Arizona Midday"—on Roku, Apple TV and ...

President Donald Trump and billionaire Elon Musk’s push to downsize the federal government is reverberating in Arizona. The state is home to tens of thousands of federal employees. Plus ...

Map: The Ogallala Aquifer: A Freshwater Bonanza in Decline. Click image to enlarge. This map was created by graphic designer Erin Aigner, with research assistance from Brett Walton of Circle of Blue.

The aquifer is slowly being pumped dry. Water wells, for instance, have dropped more than 61 meters (200 feet) in the Texas Panhandle. Though the trend line is downward, not all regions are equally ...

Arizona Wildcats guard KJ Lewis (5) shoots the ball during the first half against the Kansas Jayhawks at Allen Fieldhouse. / William Purnell-Imagn Images After being tied for first place less than ...