President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to ...

The Pentagon's Inspector General's office announced on Thursday it was opening a probe into Defense Secretary Pete Hegseth's ...

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

The inspector general review follows revelations that top Trump officials used the unclassified platform Signal to coordinate ...

Former members of the defense and intelligence communities wonder who’s in charge of policy and operations — and if they’re ...

A federal judge has ordered the Trump administration to preserve the contents of the chat in which top national security ...

The nonprofit American Oversight sued Trump Cabinet members to force them to preserve Signal messages that could otherwise be ...

James E. Boasberg, the chief judge of the US District Court in D.C., ordered the agencies relevant to the case “to preserve ...

Read a line-by-line analysis of the war plans shared over a Signal group chat, with additional reporting and context from CNN national security reporters.

Washington is roiled by the news that one of President Donald Trump’s top aides added a journalist to a group chat discussing ...

“I think Signal could be defective, to be honest with you,” he said, after complaining that “Joe Biden should have done this attack on Yemen.” The fact that he didn’t, Mr. Trump ...