Wildlife managers have confirmed a record number of Mexican gray wolves have been reported dead this year, fueling concerns about the decades-long effort to return the endangered predator to the southwestern U.S.

Federal water managers are setting a Jan. 31 deadline for the seven Southwestern states that depend on the Colorado River to finalize unprecedented voluntary drought contingency plans they expect to have to enact in 2020.

Sen. Jeff Flake of Arizona, President Donald Trump's most vocal Republican adversary in the Senate, cautioned in his farewell address Thursday that the "threats to our democracy from within and without are real."

The sister of a missing Blackfeet woman in Montana expressed frustration Wednesday over law enforcement's initial response to her loved one's disappearance, telling U.S. senators that numerous Native American families are troubled by inadequate investigations into their missing persons cases.

An award-winning Arizona newspaper publisher and his wife are locked in a bizarre divorce case that has morphed into something more: a journalism ethics saga.

Arizona Supreme Court Justice John Pelander announced Tuesday that he plans to retire, giving Republican Gov. Doug Ducey the chance to appoint his fourth justice to the seven-member high court.

Friends of a Northern Arizona University student say they acted on a social media tip to find his body in a flood control channel in downtown Flagstaff.

Former Phoenix-area Sheriff Joe Arpaio has filed a defamation lawsuit seeking $300 million against three news organizations, alleging their inaccurate references to his criminal case have hurt his chances at possibly running in 2020 for the U.S. Senate seat formerly held by John McCain.