Arizona's U.S. Sen. Mark Kelly and his twin brother, Scott Kelly, slammed Elon Musk after he insulted another astronaut on X.

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon ...

Ariz., is talking to farmers and consumers about what President Donald Trump's tariff agenda could mean at home.

Sen. Mark Kelly visited Philly Shipyard, where he met with employees and talked about the importance of revitalizing the ...

Senator Mark Kelly criticized Trump's economic policies, highlighting how they impact Americans with examples like high egg ...

Nearly all Senate Republicans voted to confirm Gabbard as President Donald Trump's director of national intelligence.

U.S. Democratic Senator Mark Kelly released the following statement after voting against the confirmation of Kash Patel as ...

Senator Mark Kelly discusses tariffs with Arizona dairy workers, highlighting potential impacts on local prices.

The Senate voted to confirm Robert F. Kennedy Jr. as President Donald Trump's Health and Human Services secretary.

Elon Musk's moves and confirmations of Trump's Cabinet picks fuel a pushback from the left against Arizona's Democratic senators.

Mark Kelly (D-Ariz.) and his brother ... come talk to the three of us,” the Arizona lawmaker wrote on X in response to Musk’s post calling Danish astronaut Andreas Mogensen “an idiot.” ...