A hacker managed to breach TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz ...

President Trump spoke to reporters from Air Force One Sunday night, answering questions from the national security advisor to ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

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

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike ...

Trump announced the moves shortly after news broke that Mike Waltz and his deputy Alex Wong were leaving the administration.

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ...

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

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

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

President Donald Trump said Thursday that he’s naming Secretary of State Marco Rubio as acting national security adviser to ...

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.