JD Vance will campaign in Peoria and Tucson on Tuesday, making his pitch to voters in battleground Arizona just two weeks ...

Forecasters envision scenarios where the race could be determined in either hours or days, with possible legal challenges to ...

Trump had a slight lead over Harris among likely voters, according to a trio of Arizona polls released over the past ...

Mark Dannels, the sheriff of Cochise County, Arizona, which shares 83 miles of international border with Mexico, brought NBC News to remote areas of the border where construction materials were ...

New CBS News polling shows former President Donald Trump with a slight edge over Vice President Kamala Harris in the ...

In the race for the U.S. Senate seat in Arizona, Democrat Ruben Gallego leads Republican Kari Lake by 9 points.