The U.S. government may have to impose a Colorado River management plan on the states, Arizona's water chief said Friday.

Negotiators couldn't strike a deal in Salt Lake City this week. Can 7 governors make peace in time to avoid a court battle?

Arizona Gov. Katie Hobbs has suggested there could be "efficiencies'' built into state operations, though she provided no ...

Across two continents, officials are confronting the same nightmare scenario: a reservoir so depleted it can no longer move ...

Arizona appeared as one of the 10 states with major diversity in the United States in a September report by the financial company WalletHub where they ranked all states from most to least diverse.

Pope Leo XIV has appointed Monsignor James A. Misko, a priest of the Diocese of Austin, Texas, as the next bishop of Tucson, Arizona. The Holy See Press Office publicized the appointment at the ...

Attorney General Kris Mayes in a southern Arizona town hall called out Tucson Electric Power's deal with the Project Blue ...

Officials in drought-stricken Arizona are moving to regulate groundwater use on the state's western edge, where wells have ...

Tucson city leaders unveiled a precautionary plan to monitor, document and take legal action should such federal troops ...

The Center for Biological Diversity is accusing federal appraisers of ignoring water concerns in southern Arizona, leading to ...

After Marana approved rezoning for a new data center Tuesday night, and Pima County closed on the land sale for Project Blue ...

The new Develon HD Construction Equipment Real Operation Center in Tucson, Arizona, offers customers and dealers a chance to test new equipment.