The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

Environmentalists and farmers are challenging Arizona's approval of an air pollution permit for Copper World Mine, claiming ...

Gov. Katie Hobbs along with a group of bipartisan state and rural leaders announced legislation Thursday that gives rural ...

The appeal will be heard by an ADEQ administrative hearing officer. It rests on the contention that ADEQ erred by issuing the Copper World project what opponents say is a ...

BCSS, LLC, of Tempe, Arizona, was granted the $10.1 million contract on Jan. 30 to complete the Southern Embankment Reach ...

In response, U.S. Border Patrol agents stopped releasing migrants after processing them. Pima County officials said this sudden halt has cut off the flow of asylum-seekers into the Ajo Road and Drexel ...