Sen. Mark Kelly, D-Ariz., is warning that President Donald Trump's trade policy could cost Americans more money — and jobs.

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 in ...

Sen. Mark Kelly is leading a new push to get more firefighting planes in the air as Arizona faces longer, more dangerous ...

Sen. Mark Kelly added his voice to the chorus of Democratic complaints on Capitol Hill to Defense Secretary Pete Hegseth sharing confidential plans for a military operation in an unsecured group ...

NPR's Michel Martin speaks with Senator Mark Kelly (D-Ariz.) about the revelation that top intelligence officials discussed military plans on the... Sen. Mark Kelly calls for Pete Hegseth to ...

Sen. Mark Kelly is advocating for a federal change that could help alleviate the nationwide school bus driver shortage by helping prospective drivers get behind the wheel sooner. The shortage has ...

Senator Mark Kelly and Elon Musk are engaged in a public feud that began with a disagreement over space policy and escalated to personal attacks. Musk called Kelly a "traitor" for supporting ...