A watchdog group has said the exchanges on the Signal app were federal records, and sued in an effort to preserve them.

DOGE staff are reportedly using Signal to communicate. The revelation follows the news that national security leaders used ...

Federal Judge James Boasberg, the chief U.S. district judge in Washington, on March 27 ordered Ratcliffe—along with Defense Secretary Pete Hegseth, Secretary of State Marco Rubio, Treasury Secretary ...

Along with the political problems of “Signalgate,” there are other more serious issues confronting the U.S. government. That’s particularly true for the NSA, according to Bruce ...

Caldwell’s sudden downfall was tied to an investigation into unauthorized disclosure of department information.

Dan Caldwell, adviser to US Defense Secretary Pete Hegseth, was removed from the Pentagon amid an ongoing probe into ...

Dan Caldwell, a senior adviser to Pete Hegseth, has been placed on administrative leave as part of a leak investigation, a ...

From a national security breach to “The Group Chat” series on TikTok, the messy dynamics of group communication are igniting questions around trust and the rules of social connection.

Bring your Tigers football, basketball and recruiting questions, and talk to Eli Hoff in a live chat at 11 a.m. Thursday.

Twitch employees confronted CEO Dan Clancy over Adin Ross’s unban in a leaked all-hands meeting shortly after he was ...

An image of the Signal app is shown on a mobile phone in San Francisco, March 18. LONDON — A magazine journalist's account of being added to a group chat of U.S. national security officials ...