The White House is playing games with Elon Musk's official role in the administration, and a national security expert said ...

National Security Adviser Mike Waltz joined "CBS Mornings" to talk about President Trump's proposal for the U.S. to "take ...

Respond to the Missile Defense Agency's request for information to help identify technologies for a next-generation missile defense shield.

SEOUL: North Korean leader Kim Jong Un has called for the country's nuclear shield to be strengthened as he visited a nuclear material ...