A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

The same man who added a reporter to a secret group chat does not know how to keep his phone screen hidden in a room of ...

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...

President Donald Trump has nominated Mike Waltz to be the next U.S Ambassador to the United Nations just hours after firing ...

A photo of former national security advisor Mike Waltz’s phone drew attention shortly after Trump tapped him to be the U.S.

A key valuation metric touted by legendary investor Warren Buffett is signaling that equities are relatively cheap, ...

Secretary of Defense Pete Hegseth has faced allegations of sharing classified information on Signal, a commercially available ...

The app Waltz was using appeared to be “TM SGNL,” a modified version of Signal that retains and archives messages to comply ...