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

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 ...

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 ...

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

Sweden has seen the resignation of two successive national security advisors in circumstances that have proven politically awkward for Prime Minister Ulf Kristersson.

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

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

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

Former National Security Advisor Jake Sullivan will be giving the commencement speech at University of New Hampshire’s Franklin Pierce School of Law. Sullivan, a Portsmouth resident ...