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

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

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

Sen. Mark Kelly added his voice to the chorus of Democratic complaints on Capitol Hill to Defense Secretary Pete Hegseth ...

Senator Kelly shared stories from Arizona on the Senate floor to illustrate the vital role of Medicaid for constituents.

Democratic Sen. Mark Kelly of Arizona responds after Elon Musk stands by calling him a "traitor" for arguing that the U.S. should support Ukraine.

Arizona Senator Mark Kelly has responded again to Elon Musk after the tech billionaire doubled down on an insult branding the ...

Arizona Senator Mark Kelly has once again fired back at Elon Musk after the billionaire repeated his controversial claim that ...

NPR's Michel Martin speaks with Senator Mark Kelly (D-Ariz.) about the revelation that top intelligence officials discussed ...

Senator Mark Kelly questioned intelligence officials about security risks from officials using Signal for sensitive ...