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

Tesla CEO Elon Musk, a top adviser to President Trump, doubled down on accusing Sen. Mark Kelly (D-Ariz.) of being a “traitor ...

Sen. Mark Kelly of Arizona tried to get Gabbard and Ratcliffe to acknowledge a risky breach in protocol for sensitive ...

U.S. Sen. Mark Kelly called for Defense Secretary Pete Hegseth to resign for sending text messages detailing military plans ...

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

Arizona Senator Mark Kelly on Tuesday called for Defense Secretary Pete Hegseth to resign after a leak of sensitive military ...

Democrats have pressed Defense Secretary Pete Hegseth over the security lapse after Republicans skewered Hillary Clinton over ...

Arizona Democratic Senators Mark Kelly and Ruben Gallego held a town hall on Monday, warning citizens of what they’re calling ...

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

Arizona’s senators called for Defense Secretary Pete Hegseth to resign, accusing him of sharing attack plans in a chat group ...

Sen. Mark Kelly of Arizona said he could no longer stand the association with Elon Musk.