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

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

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

Former National Security Advisor Jake Sullivan will be giving the commencement speech at University of New Hampshire’s ...

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

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

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

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

A hacker breached TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz was spotted ...

After Donald Trump's inauguration, his administration began purging environmental security reports from the public record.

In a continuation of Signalgate, Hegsgeth came under scrutiny again last month, when the Washington Post reported that he not ...

Defense Secretary Pete Hegseth faces a Pentagon watchdog investigation over use of the Signal app to share details of planned ...