On ThursdaY, Reuters published a photo depicting then-United States national security adviser Mike Waltz checking his phone during a cabinet meeting held by President Trump in the White House. If you ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny for ...

CIA Director John Ratcliffe testified that using Signal for work is allowed by the CIA. The Atlantic's editor-in-chief was added to a Signal chat where Trump officials discussed war plans. Trump ...

Democratic Sen. Mark Warner criticized Director of National Intelligence Tulsi Gabbard for discussing highly classified U.S. war plans using a nongovernment messaging service. Photo: Saul ...

Mike Waltz, the departing national security adviser at the center of "Signalgate," is seen in new photos using the commercial messaging application during a Cabinet meeting held by President Donald ...