Union support still matters in Democratic politics and Kelly has moved to erase organized labor's doubts about him.

Kelly blamed the Trump administration for making veterans' health care more difficult by indiscriminately dumping staffers.

Sadly, there was no John McCain to respond after last week's White House blowup between Trump and Vance and Ukrainian ...

Sen. Mark Kelly has long backed Ukraine in its war with Russia and spoken in harsh terms about Russian President Vladimir ...

Senator Mark Kelly criticized mass firings at the VA, advocating for the reinstatement of employees vital to veteran care.

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

Everyone - from leaders in Russia and Europe to Donald Trump and Arizona's senior senator - is lying about the war in Ukraine ...

Sen. Mark Kelly champions the PAIN Act to improve seniors' access to non-opioid pain treatments under Medicare.

Senator Mark Kelly criticizes President Trump's Congress address, citing concerns over tax breaks for the wealthy and tariff ...

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

Senator Mark Kelly (D-Ariz.) spoke with Margaret Brennan on Face the Nation Sunday about Ukrainian President Volodymyr Zelenskyy and President Donald Trump's Friday meeting in the Oval Office, and ...

Arizona’s dairy producers and the people whose work revolves around that industry are among the potential casualties of President Donald Trump’s trade wars, Sen. Mark Kelly said Friday after a tour of ...