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?

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

The long-vacant downtown hotel on the western edge of downtown Tucson will reopen as a 296-room Arizona Hotel HSL Hyatt.

Federal officials have one option for managing the Colorado River's future if states can't agree. But even that plan won't do ...

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

Marana’s planned $84 million downtown project may be up for a referendum vote. An activist group out of Phoenix, Workers Power, is asking Marana residents to sign a petition to get both the Beale ...

The St. Louis-based contractor expects to complete the project, which includes a leak-detection system and a second, adjacent ...

Explore Arizona’s Colossal Cave Mountain Park on a guided stroll past bat roosts, outlaw lore, and fossilized flowstone in a ...