US scientists produce the first full-scale enriched fuel salt for a fast-spectrum molten salt reactor, marking a major nuclear milestone.

Embark on thrilling adventures with us as we explore some of the most mysterious, dangerous, and captivating locations around ...

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or was it a political stunt to project toughness? His surprise ...

Russian President Vladimir Putin said Wednesday his country will draw up plans to conduct nuclear tests after President Donald Trump announced the U.S. would do the same last week. The Kremlin leader ...

President Trump’s call to resume nuclear tests was muddied this week when Energy Secretary Chris Wright said the United States would not resume explosive testing, which was last conducted in the 1990s ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

Nuclear-armed states continue to modernize their arsenals, with France—a major U.S. military ally in NATO—recently test-firing an upgraded but unarmed nuclear missile. The medium-range, air-to-surface ...

Senate Democrats want to curb President Donald Trump’s ability to unilaterally resume nuclear testing, as the president suggested the U.S. would do on an "equal basis" with Russia and China moving ...

MAJURO, MARSHALL ISLANDS — Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But living on Rongelap — a remote tropical atoll in the central Pacific ...

The United States test-fired an unarmed Minuteman III intercontinental ballistic missile (ICBM) on Wednesday, after President Donald Trump ordered nuclear weapons tests. The unarmed missile carried a ...

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...