The endorsements are a big score for Grijalva, the daughter of the late congressman who she is now hoping to succeed in the ...

Senator Mark Kelly held a hearing on veterans fired by Musk and Trump, discussing their struggles post-dismissal.

Musk defended smearing the Gulf War veteran and astronaut and Kelly accused Musk of crassly seeking tax cuts for billionaires ...

The event largely focused on the threat of Republican cuts to Medicaid. “Make no mistake, they’re coming after you," Sen. Mark Kelly warned on Monday.

() - There is now a Social Security War Room, and Arizona Sen. Mark Kelly is one of the Democrats behind its launch.

Musk defended his decision to brand the Arizona senator and former astronaut as a traitor over his support for Ukraine.

Sen. Mark Kelly is doing his best to protect America from Defense Secretary Pete Hegseth, whose bumbling group chat could have cost American lives.

More than 2 million Arizonans rely on AHCCCS, the state's version of Medicaid, for their health care. Now lawmakers in ...

Democratic Arizona Sens. Mark Kelly and Ruben Gallego hosted a town hall in Phoenix on March 17 to discuss the potential impacts of cuts to Medicaid led by congressional Republicans.

Sen. Mark Kelly (D-Ariz.) slammed what he called senior Trump adviser Elon Musk’s loyalties to billionaires Thursday after ...

Sen. Mark Kelly, D-Ariz., fired back after Elon Musk unflinchingly stood behind the decision to label the lawmaker a "traitor." Musk made the accusation earlier this month when replying to a post ...

Arizona Sens. Mark Kelly and Ruben Gallego are backing bipartisan legislation to expand the country’s dwindling mining ...