It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s ...

Amid the backlash to the Trump administration’s use of the private messaging app Signal for sensitive U.S. military planning ...

Democratic leaders of key House committees are reigniting calling for national security adviser Mike Waltz to step down.

Earlier this week, the Wall Street Journal reported that Waltz had “created and hosted multiple other sensitive ...

President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to ...

The team of President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial ...

National Security Adviser Mike Waltz reportedly had his team set at least 20 Signal chats for other crises across the globe, ...

The inquiry will examine whether the Pentagon chief violated the agency’s standards for sharing classified information.

Waltz was the face of a crisis last week after inadvertently adding a journalist to a group chat discussing attacks on the ...

Questions are once again being raised about Mike Waltz, after reports claimed he made at least 20 Signal chat groups to ...

When Mike Waltz carelessly added an Atlantic editor to his classified military group chat on the Signal app last month, the Trump Administration brushed it off as a one-time blunder that wouldn't ...