A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

An encrypted messaging app used by the Trump administration temporarily suspended its operations Monday after suffering a ...

TeleMessage, the app that President Trump’s former National Security Advisor, Mike Waltz, appeared to use to archive his ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

The Democratic senator will not vote to confirm the ex-national security adviser, who she says is "failing up" after putting ...

Senate Democrats predict that former National Security Adviser Mike Waltz will have a "brutal confirmation hearing" for his new role as U.N. ambassador.

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...