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.

President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, ...

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

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

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 ...

The Trump administration’s renewed focus on nuclear issues after decades of neglect is welcome. But America is not prepared ...

Russian officials say they are waiting for an explanation from President Donald Trump about nuclear testing. He hasn't given ...

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

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

Top energy and nuclear officials in the Trump administration are planning to meet with the White House and National Security Council in the coming days to dissuade President Donald Trump from resuming ...

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