National security advisor Mike Waltz and his office have repeatedly come under fire since news broke on the Signal chat leak with a journalist.

WASHINGTON (AP) — President Donald Trump has fired several White House National Security Council officials after he was urged ...

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

The inquiry will examine whether the Pentagon chief violated the agency’s standards for sharing classified information.

Hegseth's use of the app came to light when a journalist, Jeffrey Goldberg of The Atlantic, was added to a Signal text chain ...

President Donald Trump has reportedly moved to fire several senior White House National Security Council officials over ...

Three senior National Security Council staffers were forced out on Thursday, following reports of an Oval Office meeting ...

The oversight arm of the Department of Defense will open an investigation into the Signal chat involving airstrikes against ...

Acting DOD Inspector General Steven Stebbins notified Defense Secretary Pete Hegseth and Deputy Secretary of Defense Stephen Feinberg that an investigation was being initiated.

Iowa Republican Chuck Grassley and Washington Democrat Maria Cantwell, both members of the Senate Finance Committee, are ...