Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

The U.S. has not conducted a nuclear test in over 30 years. Experts say doing one now could make America less safe.

Southern Nevada’s Congressional delegation is calling on the Trump administration to “reaffirm” the United States’ ...

The quiet expansion of Beijing’s remote nuclear weapons complex, Lop Nur, points to years of preparation for a potential ...

Koko Kondo was just 8 months old when a U.S. nuclear bomb obliterated her community. She wants to ensure history doesn’t ...

While the significance of testing nuclear weapons dwindled over 60 years ago, the terrifying circumstances that brought that ...

By John Fairlamb, Ph.D., Defense Opinion Writer. Restarting explosive nuclear weapons testing, or even for political reasons ...

We asked Professor Paul Bracken, an expert in nuclear strategy, what’s behind the posturing and what test explosions would mean for the world.

The confusion rattled allies and arms control experts alike. Energy Secretary Chris Wright soon intervened to clarify that ...

Trump’s message at the end of last month is that the U.S. is no longer willing to ignore obvious dangers, especially if China poses them.

President Donald Trump's calls to ramp up nuclear weapons testing have put nuclear watchdogs on alert while experts say the ...

North Korea has hurtled along its path of nuclear tests and trials of delivery systems, despite years of sanctions.