The Arizona senator and retired Navy captain has done a lot of things very few others have. He’s gone to space four times, ...

The Arizona senator's moves thus far have positioned him to be a key fundraiser in 2026 and offer him a platform to build out ...

The continuing fallout from the "illegal orders" video has kept a spotlight on Sen. Mark Kelly, D-Arizona. Questions about ...

The agency says Kelly doesn’t have the same right to free speech as civilians.

In its answer to Kelly, the government argues he seeks privileges not granted to veterans and members of Congress.

The defense secretary is going after the Arizona Democrat's Navy pension for telling troops they can refuse illegal orders.

Sen. Mark Kelly filed a federal lawsuit against Defense Secretary Pete Hegseth and Pentagon officials. On the Senate floor, ...

Before he found himself a target of the Trump administration as a U.S. senator, Mark Kelly was a veteran NASA astronaut who flew to space on four separate missions in a decade. Sen. Kelly, D-Arizona, ...

Arizona Democrat Mark Kelly's battle with the Pentagon adds to a biography replete with high-profile moments even before he became a senator.

Senator Mark Kelly addresses Arizona's health care cost crisis and rising premiums after ACA tax credit expiry.

The Arizona Senator and former astronaut navigates a complex political landscape as Democrats search for a new national ...