A third top Pentagon official was placed on administrative leave Wednesday in the fallout of a major leak of sensitive U.S.

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

A top adviser to Defense Secretary Pete Hegseth was escorted out of the Pentagon on Tuesday after he was identified in a ...

The Pentagon did not disclose specifics for the suspensions of Dan Caldwell and Darin Selnick because the matter is under ...

The Pentagon warned against using Signal in a memo just last week, according to NPR. It cited threats from Russian hackers.

The top Republican and Democrat on the Senate Armed Services Committee are asking the Defense Department's inspector general to probe the Signal chat.

The Pentagon’s internal watchdog notified the defense secretary of a probe into whether he shared classified information last ...

The Defense Department inspector general has opened an investigation into Defense Secretary Pete Hegseth’s reported use of Signal to discuss U.S. attack plans against the Houthis.

The Pentagon’s inspector general will conduct an investigation of the Signal group chat where Defense Secretary Pete Hegseth and other Trump administration officials discussed details of an impending ...

The White House said this week the “case has been closed” on the Signal scandal. The Pentagon’s inspector general opened it ...

The Pentagon's inspector general launched a probe into the Trump administration's use of Signal to discuss a planned strike ...

Retired Air Force Lt. Gen. Dan Caine tells lawmakers he will give his best military advice as chairman of the Joint Chiefs, ...