Elon Musk's moves and confirmations of Trump's Cabinet picks fuel a pushback from the left against Arizona's Democratic ...

Demonstrators asked a staffer for Arizona Sen. Ruben Gallego for answer on why the new senator voted yes on multiple cabinet ...

Fifteen members of the U.S. Senate sent a letter to the Department of Defense saying RealPage rent practices could be harming ...

With parts in a 30-hour Democratic filibuster, Arizona’s two senators finally were willing to disrupt business in Washington.

WASHINGTON – Arizona’s senators joined other Democrats in a rare overnight marathon on the Senate floor, protesting President Donald Trump’s pick for budget director – a key architect of the ...

The measure's bipartisan approval reflects broad support for cracking down on crime perpetrated by illegal immigrants.

Kelly and Gallego joined eight other Senate Democrats to help the Republican-led immigrant crime bill thwart a filibuster.

Arizona may have illustrated the situation most vividly, as both Trump and Democratic Senate candidate Ruben Gallego won more than 50 percent of voters. Gallego, who had been a House member ...

Arizona’s newest Senator Ruben Gallego has a history as a progressive firebrand. But, his first moves as a sitting senator ...

Ruben Gallego didn’t run to be the next John McCain or Kyrsten Sinema — a new party-crossing maverick senator from Arizona. But that’s exactly how he’s starting out. Just days into his ...

The bill would give US Customs and Border Protection more authority. Former Sen. Kyrsten Sinema previously introduced a version.