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 ...

Dan Caldwell, who was in that war plans group chat on Signal alongside Defense Secretary Pete Hegseth, was just escorted out ...

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

The president will sign executive orders at 2:30 p.m. Tuesday in the Oval Office before presenting midshipmen at the U.S.

Members of President Donald Trump’s administration are putting national security at risk and breaking the law by using an unsecured commercial messaging app called Signal to communicate with each ...

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But ...