Defense Secretary Pete Hegseth told Iran that it has been warned as it continues to support the Houthis terrorist organization and its attacks in the Red Sea.

"This is really stunning news coming out of the White House," said Jennifer Griffin — Fox News Chief National Security Correspondent.

Fox News chief national security correspondent Jennifer Griffin answers questions about the status of Russia-Ukraine peace ...

Embattled White House National Security adviser Mike Waltz is officially out of the job, according to CBS News' Jennifer ...

Fox News chief national security correspondent Jennifer Griffin reports on the Pentagon's warning about a drone risk on ...

Democrats are calling on President Donald Trump to fire Defense Secretary Pete Hegseth, blasting the Commander-in-Chief for ...

President Donald Trump's office released a list of what they call media hoaxes to mark the 100th day of his second term in office.

President’s unprecedented budget proposal alarms some key Republicans - Despite steep cuts to non-defense discretionary ...