Most federal workers staffing the agency tasked with protecting the United States’ nuclear arsenal were off the job as the government’s 22nd shutdown crept closer to a fourth week. Once the government ...

The U.S. helped remove enriched uranium from Venezuela, turning an old reactor into a global security warning.

An international mission to secure weapons-grade nuclear material just crossed the finish line two years ahead of schedule.

The National Nuclear Security Administration (NNSA) has successfully produced its first purified enriched uranium "button" through a process called electrorefining, as part of what officials called ...

The Senate draft of a defense policy bill would reclassify National Nuclear Security Administration employees.

The National Nuclear Security Administration is looking for information on potential AI uses for its mission, following an executive order to establish an integrated AI platform that will fuel ...

A pair of lawmakers exhorted the Energy Department's top official to consider reining in a major nuclear arsenal modernization program amid long-running concerns over its cost and schedule performance ...

The James Forrestal Building in Washington D.C. is home to the Department of Energy and one of the sites for NNSA. The National Nuclear Security Administration is continuing to modernize its workflows ...

The National Nuclear Security Administration (NNSA) is following through on President Donald Trump’s directive to strengthen national security by rapidly advancing artificial intelligence through the ...

WASHINGTON — Federal investigators digging into the disappearances and deaths of 11 scientists and researchers are likely to find “crazy stuff” about their respective cases — but not a connection ...