James M. Olson, a former CIA counterintelligence director, sees threats to U.S. economy and world peace.

This is an extraordinary victory for Moscow, and yet another gift to Trump’s undeniable superior, Russian President Vladimir ...

WASHINGTON -- WASHINGTON (AP) — Defense Secretary Pete Hegseth has paused offensive cyberoperations against Russia by U.S.

Defense Secretary Pete Hegseth has paused the U.S. military's offensive cyberoperations against Russia, officials said Monday ...

Foreign adversaries including Russia and China have recently directed their intelligence services to ramp up recruiting of US ...

A U.S. judge on Thursday refused to halt the firings of 21 CIA officers who were assigned to diversity, equality, inclusion ...

As his White House meeting with his Ukrainian counterpart devolved into a stunning blowup, President Donald Trump leaned on a familiar refrain to explain his unique kinship with Russ ...

Defense Secretary Pete Hegseth has paused offensive cyberoperations against Russia by US Cyber Command, a move that national security experts warn could weaken US cyber defenses.

Stay informed with real-time updates on all major events in the United States. From breaking news to in-depth stories, we ...

In January 1988, one of Taiwan’s most senior nuclear engineers defected to the United States after passing crucial ...