Researchers in Arizona say they have unearthed the oldest gun ever found in the continental United States. The bronze cannon, or wall gun, is associated with the first European expedition of the ...

Boosted in part by two pivotal Arizona races, Republicans have won a majority in the U.S. House of Representatives, helping to cement total GOP control over the federal government’s elected bodies.

PHOENIX — Republican U.S. Rep. Juan Ciscomani declared victory Wednesday in Arizona’s 6th Congressional District race after Democratic challenger Kirsten Engel conceded. “Earlier today ...