President Trump on Thursday confirmed a reported purge of national security agencies this week, with firings of at least a ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

Laura Loomer, a figure so extreme many Trump loyalists spurn her, just got the president to fire three members of the ...

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 ...

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

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

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

National security adviser Mike Waltz’s team regularly set up chats on Signal to coordinate official work on issues including Ukraine, China, Gaza, Middle East policy, Africa and Europe ...

Sources say the national security adviser ... to discuss sensitive issues, Politico reported Wednesday. Waltz and his team have apparently been regularly setting up Signal chats to discuss topics ...

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