Why was the national security adviser doing the tedious administrative work of setting up a chat group that should have been ...

A German news website said it was "particularly easy" to obtain Pentagon chief Pete Hegseth's private contact information.

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...

The fallout continues following Jeffrey Goldberg's report that top members of President Trump's national security team ...

Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

This reveals a greater use of the app than previously known and highlights the extent to which the Trump administration’s ...

The Trump administration wants to move on but I want answers. We deserve to know how this happened.

Four sources tell Politico they were aware of at least 20 chat groups, all four confirmed sensitive information was discussed ...

Adding a journalist to a national security chat that included discussions about a military attack was a mistake. But let's ...

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

Less than two weeks ago there was SignalGate, the Trump administration’s national security scandal that potentially ...

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