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

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

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

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

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

The independent watchdog said it would assess whether the defense secretary followed department policies when he shared military strike plans in a group chat.

The Pentagon’s Office of Inspector General ... s initial characterization of the group chat discussions. The Signal chat appears to include the exact times the strikes on the Houthis would ...

Congressional Republicans are grappling with how to respond to senior Trump administration officials’ use of a Signal group chat to discuss a military strike, with a key Senate committee requesting a ...

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