An atomic blast codenamed ESS was detonated on March 23, 1955, at the Nevada Test Site north of Las Vegas. It was a different ...

After the first Soviet nuclear detonation in 1949, Moscow pushed hard to create a more practical and efficient weapon. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, ...

President Donald Trump speaks during a meeting with business leaders at the U.S. Ambassador's Residence in Tokyo on Oct. 28, 2025 Credit - Andrew Harnik—Getty Images Here's what we know about Trump's ...

What does Trump’s call for renewed nuclear testing mean for Nevada? President Donald Trump’s call to resume U.S. nuclear weapons testing prompted quick condemnation from some Nevada congressional ...

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 ...

Editor’s note: This is the second of a two-part series on a controversial 1969 nuclear test in western Garfield County. The first story appeared in Sunday’s Aspen Daily News. Jay Cowan and Judy Haas — ...

Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the immediate resumption of ...

President Donald Trump’s announcement that the United States will resume nuclear weapons testing for the first time in more than three decades has sent shockwaves through both Washington and world ...

Trump wrote that he had instructed the Department of War to start testing nuclear weapons “on an equal basis” with China and Russia. But those instructions may have been sent to the wrong department.