The U.S.' top arms control official confirmed a Chinese nuclear test first suspected in 2020.

Donald Trump reportedly approved access to secret UFO sites believed to provide proof of alien life and government cover-ups.

During the Cold War, the U.S. considered stationing nuclear missiles under the ice sheet in Greenland -- and never told ...

Foreign adversaries are using fake jobs and consulting gigs to coax secrets from former U.S. officials. It’s had results, and the efforts don’t appear to be slowing.

Thousands of pages of once-secret court documents show how federal officials and a Virginia court helped an American Marine ...

Thousands of pages of once-secret court documents show how federal officials and a Virginia court helped an American Marine ...

NBC News has been publishing clips of President Donald Trump's pre-recorded Super Bowl interview, and each clip has brought its own unique problems for the administration. The latest example is ...

Defense Secretary Pete Hegseth said on Friday that the Defense Department would sever its academic ties with Harvard ...

The Department of Justice will allow members of Congress to review unredacted files on the convicted sex offender Jeffrey ...

By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered: Section 1.

The two-line letter to the CIA's director is the latest warning in recent years from a long-serving Democratic senator with ...