The seat is vacant after incumbent Kyrsten Sinema left the Democratic Party to become an independent in December 2023.

Both Senate contenders are turning to key constituencies in law enforcement and the military in a bid to define themselves.

U.S. Senate candidate Kari Lake stood onstage with Pinal County Sheriff Mark Lamb as they both praised the importance of ...

Arizona Democratic Senate candidate Ruben Gallego is widening his lead over Republican Kari Lake according to Morning Consult polls.

The survey, conducted by the Trafalgar Group among 1,088 likely voters, shows the Republican trailing by 4 percentage points, ...

Kari Lake and Arizona Senate Republicans are demanding that the Green Party candidate who got 282 votes be allowed to debate ...

The study by Emerson College and The Hill, conducted in mid September among over 800 likely voters, has the Democrat ahead by ...

Recent polling shows Kari Lake in deep trouble. It's a wonder Donald Trump isn't demanding that she quit touting his ...

Kari Lake is set to launch a Senate campaign next month, three sources familiar with the matter confirmed to ABC News. One of the sources said Lake has been eyeing mid-October to jump in the race.

North Carolina Attorney General Josh Stein (D) has rejected a debate with Lt. Gov. Mark Robinson (R) in their gubernatorial ...