Winds howled overnight in northern Arizona, knocking out power to thousands of homes and the National Weather Service office in Flagstaff.

Because of cuts to Arizona’s water and the state’s climate conditions, homeowners should consider sustainable ways to use water, according to Warren Tenney, the executive director of the Arizona Municipal Water Users Association.

This summer was the deadliest on record for heat-associated fatalities in Arizona's largest county amid a growing wave of homelessness. Public health statistics this week confirmed a record 359 such deaths just days before the end of the six-month heat season.

Phoenix Sky Harbor International Airport is planning upgrades to its runway space with a new taxiway overpass backed by federal funds from the bipartisan infrastructure law enacted last year.

As hundreds of migrants line up along an Arizona border wall around 4 a.m., agents try to separate them into groups by nationality.

The Arizona Attorney General's Office has filed a special action with the state Supreme Court seeking to overturn the rideshare ordinance at Phoenix Sky Harbor International Airport.

The city of Phoenix filed its official response to Arizona Attorney General Mark Brnovich’s investigation into whether a recent hike of rideshare fees at Sky Harbor International Airport violates the state Constitution.

A railroad safety bill that earned one Democratic lawmaker an ominous threat three years ago will be back next year, and the stakes are higher than ever.

Gov. Doug Ducey says he already has his. Phoenix Mayor Kate Gallego admits she does not.

House and Senate committees approved competing proposals to regulate car sharing in Arizona, with lawmakers split on how to tax the emerging industry.