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

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

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 ...

Sen. Tammy Duckworth said Sunday that she expects Mike Waltz to have a "brutal hearing" for U.N. ambassador after his ...

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

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

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 ...

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

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

The national security adviser infamously added The Atlantic's Jeffrey Goldberg to a Signal group chat discussing Yemen attack ...