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

The Pentagon is reeling as Pete Hegseth faces growing instability within his ranks, following an escalating scandal over a controversial Signal chat involving senior Trump-era officials.

The Pentagon has dismissed the chief aide to Defense Secretary Pete Hegseth, particularly amid the scandal over the data leak ...

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

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 ...

A lawsuit over the Trump administration’s infamous Houthi Signal group chat has revealed what steps departments took to ...

CIA Director John Ratcliffe and other members of the infamous "Houthi PC" group chat were ordered to preserve all messages on ...

WASHINGTON — The Atlantic on Wednesday released the entire Signal chat among senior national security officials, showing that Defense Secretary Pete Hegseth provided the exact timings of ...

Signal's encryption protocol is open source, meaning anyone that it's freely available for anyone to inspect, use or modify. The encryption protocol is also used by another popular chat service ...

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 ...

Allies of the United States see the group chat between top U.S. officials about ... of one European diplomat about the discussion on the Signal messaging app about strikes on Houthi rebels.