Gallego defeated Republican Kari Lake by 2.4 percentage points, even as fellow Democrat Kamala Harris lost to President-elect ...

The Democratic senator-elect tells NBC News what he understood about Latinos — particularly men — that others in his party missed, and why it was so consequential.

An election reform group prepared to launch a litigation tracker to keep tabs on an anticipated surge in legal challenges to ...

Kari Lake was always seen as unbeatable in a Republican primary but an iffy prospect in a general election in Arizona.

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 ...

Rep. Ruben Gallego (D-AZ) defeated Republican Senate candidate Kari Lake in the Arizona Senate race to replace outgoing Sen.

The Democrat and former Marine is projected to win a U.S. Senate seat in Arizona against Republican Kari Lake, a pro-Trump ...

Democratic Rep. Ruben Gallego was poised Monday night to defeat election denier and President-elect Donald Trump ally Kari ...

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

The Associated Press declared Democrat Ruben Gallego the winner of Arizona's U.S. Senate seat after vote updates on Monday ...

Congress returns to a changed Washington as President-elect Donald Trump’s hard-right agenda is quickly taking shape, buoyed ...