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

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

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

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

Dozens of former generals say a censure and demotion over the "illegal orders" video chills free speech in and out of the ...

Military leaders including the former secretaries of the Army and Navy called the Pentagon's actions against Kelly ...

Democratic Sen. Mark Kelly filed a lawsuit against Defense Secretary Pete Hegseth seeking to block the Pentagon's efforts to ...

Hegseth censured Kelly last week.

The senator has said the investigation is meant to silence dissent, and that he'll fight to push back against Trump and ...

Defense Secretary Pete Hegseth is forgoing a promised court-martialing and taking a behind-closed-doors track to attempt to punish Sen. Mark Kelly (D-Ariz.). The administrative move — which seeks to ...

Lawyers for Sen. Mark Kelly filed a lawsuit Monday seeking to block Secretary of Defense Pete Hegseth’s move to cut Kelly’s ...

Defense Secretary Pete Hegseth wants to reduce the senator's pay and rank in an act of retaliation, a new lawsuit alleges.