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

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

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

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 ...

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

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

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

Ajit Doval left from 7 LKM on May 10 in Delhi. Prime Minister Narendra Modi held a meeting with Defence Minister Rajnath ...

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

Trump said that Secretary of State Marco Rubio would serve as interim national security advisor until a permanent replacement ...

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