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

China’s nuclear weapons development has long concerned the U.S., which has warned that the East Asian power could possess ...

China took a veiled swipe at the US for plans to change nuclear policies and warned that maintaining large arsenals increases ...

Nevada's elected officials are concerned that nuclear weapons may again be tested here, after President Donald Trump declared ...

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

US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon nuclear ...

America’s top nuclear security official has issued an 'urgent' warning against leaking classified information, as political ...

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

An explosion at a strategic missile base in the town of Yasny in the Orenburg region Friday afternoon was the result of a ...

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

Nearly half of surveyed Americans say they are worried that the U.S. could enter a nuclear war within the next 10 years, ...

A Russian missile exploded at a military base, sending plumes of purple smoke skywards, according to local residents. It is ...