Democrat Ruben Gallego becomes the first Latino Senator in the history of Arizona. On Monday night, the Associated Press ...

Exit polls show Vice President Kamala Harris lost Latino men to President-elect Donald Trump — a significant blow to a party ...

Gallego defeated Republican Kari Lake, and is a five-term House member and an Iraq War veteran with a compelling ...

PHOENIX — Democrat Ruben Gallego has been elected Arizona’s first Latino U.S. senator, defeating Republican Kari Lake and ...

House Speaker Mike Johnson said Republicans won't make the mistakes of last time and will be much better prepared for a ...

If confirmed by the Senate, Zeldin would be an absolute disaster for the environment. A staunch climate denier, Zeldin wants ...

Arizonans have elected Representative Ruben Gallego as the next senator of the Grand Canyon State, according to the ...

Democrat Ruben Gallego was projected to defeat Republican Kari Lake and become Arizona's next U.S. senator on Monday night.

Donald Trump's presidential election win grants him the power to free himself from his federal legal troubles, while also ...

Maricopa County delivered another sizable and strongly Democratic batch of votes that have Ruben Gallego pulling away from ...

Some races, such as the 6th Congressional District battle between incumbent Juan Ciscomani and challenger Kirsten Engel, remain exceptionally close.

With votes still being counted, here's a look at the key races that remain uncalled by the NBC News Decision Desk (read more on how those races are called on NBCNews.com).