Director of National Intelligence Tulsi Gabbard, flanked by FBI Director Kash Patel, left, and CIA Director John Ratcliffe, ...

Donald Trump says he was invited by King Charles to visit the UK and a date in September may be set. Listen below to the ...

This week, an all-new series of controversies centered on U.S. Secretary of Defense Pete Hegseth has erupted in controversy ...

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 ...

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

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

A top adviser to Defense Secretary Pete Hegseth was escorted out of the Pentagon on Tuesday after he was identified in a ...

U.S. Defense Secretary named Dan Caldwell as his chief point of contact in the now-infamous Signal group chat inadvertently ...

The Yemen Health Ministry reported on Monday that U.S. airstrikes have killed at least 123 people in Yemen since March 16, ...