Sources say the national security adviser and his team made at least 20 group chats on the commercial messaging app.

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

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

Just seven days after the Signal chat scandal erupted, the White House announced that it doesn’t want to talk about it ...

National security adviser Michael Waltz reportedly meant to add a Trump administration spokesman to the Signal chat where ...

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

National security advisor Michael Waltz commented on the Signal text chain leak during an appearance on "The Ingraham Angle." ...

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 ...

Despite calls for Mike Waltz or Pete Hegseth to resign, so far White House officials are bashing only The Atlantic. Here’s ...

Though he disparaged Goldberg's reputation as a Trump critic, Waltz also said he took "full responsibility" for the ...

But Waltz has also said he never met or communicated ... any of the top security officials involved in the leaked Signal group chat. "I have no idea what Signal is. I don’t care what Signal ...

Current and former US officials have told CNN they believe two texts sent by national security adviser Mike Waltz and CIA ...