Frank Rose, who served as the no. 2 at the Energy Department’s nuclear security agency until April of last year, is suing a ...

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to a national security ...

South Korea and the United States agreed to further cooperate to achieve shared security goals on the Korean Peninsula and in ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...

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

Senate Republicans are standing by embattled Secretary of Defense Pete Hegseth, but they are privately wondering how much ...

By Kaitlan Collins, Alayna Treene, Kevin Liptak, Jeff Zeleny, Kristen Holmes, Zachary Cohen and Alex Marquardt, CNN (CNN) — National ...

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

Marine Corps leaders discussed the future of the nearly $11 billion dollar housing initiative at Washington's Modern Day ...

Former University of Alabama football coach Nick Saban, winner of seven national championships, introduced President Donald ...

Rubio already has several jobs, including Secretary of State, Acting Archivist of the United States, and the head of USAID.