The Defense Department says it has designated a second stretch on the U.S. border with Mexico as a military zone to enforce ...

Mike Waltz and his deputy Alex Wong were ousted from their posts amid the Signal Gate row, an insider revealed why Secretary ...

President Donald Trump's former national security adviser Mike Waltz was photographed using Signal during a Cabinet meeting ...

Waltz was removed from his position as national security adviser and then nominated by Trump to serve as UN ambassador.

The number of reported sexual assaults in the military dropped almost 4 percent last year, the second year in a row such ...

Rep. Elise Stefanik had been Trump's original pick for UN ambassador, but her name was withdrawn over fears about tight ...

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

National Security Advisor Pete Waltz and his deputy, Alex Wong, were removed from their positions on May 1, Fox News ...

President Trump announced a major shakeup in his national security team Thursday, tapping Mike Waltz to be his United Nations ...

Rubio spoke over the phone with Pakistani Prime Minister Shehbaz Sharif and Indian Foreign Minister Subrahmanyam Jaishankar.

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

By Kaitlan Collins, Alayna Treene, Kevin Liptak, Jeff Zeleny, Kristen Holmes, Zachary Cohen and A(CNN) — President Donald Trump announced Thursday that he would nominate national security adviser Mike ...