Defense Secretary Pete Hegseth and other members of the Trump administration are being investigated for their recent use of a ...

In the wake of an explosive report that senior Trump administration officials discussed planned military strikes in a Signal ...

Sen. Roger Wicker, chairman of the Senate Armed Services Committee, penned a letter seeking an expedited inspector general ...

The Senate Armed Services Committee is calling for an independent investigation ... U.S. airstrikes against Iran-backed Houthi rebels in Yemen hours before they happened, because he was added to a ...

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

Hegseth and other top administration officials have said that no classified information was shared in a Signal messaging app ...

Officials inadvertently added a reporter to an unsecured group chat discussing plans for a U.S. attack on Houthis in Yemen. Here's a look at a timeline of the events.

Defense officials say Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative ...

Republican seeks investigation ... Biden Jr. for not having carried out the strike on Yemen during his administration. “I think Signal could be defective, to be honest with you,” he said ...

The Pentagon’s acting inspector general has announced that he will review Defense Secretary Pete Hegseth’s use of the Signal ...

National security adviser Mike Waltz and Defense Secretary Pete Hegseth confer at an event at the White House on Feb. 24. (Ludovic Marin/Pool via AP) ...