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

Senator Mark Kelly (D-AZ) hit back at Elon Musk after the billionaire Trump ally doubled down on calling the former astronaut ...

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

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

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

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

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

Arizona Sen. Mark Kelly has introduced a new bill that he says will address the nationwide shortage of school bus drivers.

Musk's companies have been the subject of protests and vandalism over the last several weeks amid DOGE's drastic cuts to the ...

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

"I am running for Congress because Southern Arizona deserves bold leadership that will fight for working families and stand ...

Mark Kelly and Elon Musk, seemingly President Donald Trump’s ... Musk stood by an earlier social media post in which he ...