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.

The chorus of moderate Republicans rejecting Kari Lake seems to grow stronger by the day.

U.S. Senate candidate Kari Lake stood onstage Friday with Pinal ... intended to bring together Republicans after his primary race with Lake. During an online candidate forum in May, Lake called ...

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

U.S. Senate candidate Kari Lake has consistently underperformed former President Donald Trump in Arizona, an anemic showing ...

Arizona's Senate race will be key in November's elections while the Democrats seek to defend their razor-thin majority.

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

Democratic Rep. Ruben Gallego has widened his lead over Republican opponent Kari Lake in the Arizona Senate race, according ...

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

The Arizona Republican Party and Latino Americans for Trump hosted an event Friday afternoon rallying Hispanic voters behind former President Donald Trump.