Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...

The National Nuclear Security Administration (NNSA) is celebrating “a significant milestone,” announcing that it completed a ...

The United States has not conducted a working test of a nuclear weapon since the early 1990s. That could change. President Donald Trump has repeatedly vowed to restart testing, raising alarms about a ...

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 ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

Tensions are growing in east Asia. The threat of a Chinese attack on Taiwan persists and, in recent weeks, North Korea has been testing its long-range missile capabilities. Russia’s reorientation of ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

BUSAN, South Korea (Reuters) -- U.S. President Donald Trump on Thursday ordered the U.S. military to immediately resume testing nuclear weapons for the first time in 33 years, minutes before he began ...

(Reuters) - From the war in Ukraine to North Korea's recent missile testing spree, tactical nuclear weapons are being debated and developed in a way not seen since the Cold War. There is no universal ...