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

Mark Kelly, D-Ariz. Sen ... hastily switched from nominating then-President Joe Biden to running then-Vice President Kamala Harris in his place. Kelly is an engineer who was a Navy combat pilot ...

Sen. Mark Kelly, D-Ariz., was among the Democrats on the panel who voted against her, saying she lacked the judgment to shape what information makes its way to President Donald Trump on a daily basis.

Sen. Mark Kelly (D-AZ) pushed back against President Donald Trump’s argument that DEI policies played a role in the recent plane crash near Washington, D.C., stating that it is “too early ...

Senators Mark Kelly and Eric Schmitt offered differing takes on President Trump’s DEI-related commentary following the American Eagle plane crash in Washington, D.C. Kelly, an Arizona Democrat ...