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

Congressman Andy Biggs (AZ-05) has officially endorsed Kari Lake in her bid for the U.S. Senate seat in Arizona. Congressman ...

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

Left: Kari Lake is the Republican nominee for U.S. Senate. Right: U.S. Rep. Ruben Gallego of Phoenix is the Democratic ...

Kari Lake, still challenging her loss for governor to Katie Hobbs in 2022, is now aiming for the U.S. Senate, running against an Arizona sheriff who shares her ideas but touts experience as his ...

U.S. Rep. Ruben Gallego and former television broadcaster Kari Lake are battling for Arizona's open seat in the U.S. Senate. Gallego, a Democrat, is a five-term veteran of Congress. Lake ran ...

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

PHOENIX — As far as Kari Lake is concerned, the new polls saying she’s second in the Arizona U.S. Senate race might as well be hogwash. Polling results released Thursday from Noble Predictive ...

Arizona’s Senate Government Committee has launched an investigation into “an unlawful rule change blocking qualified candidates from participating in general election debates.” Well, goodness.

PHOENIX — The highly anticipated Arizona Senate debate between Democratic U.S. Rep. Ruben Gallego and Republican Kari Lake is a go, officials announced Thursday. The nominees will face off for ...