The email sent to atom bomb officials by Brandon Williams highlights the managerial challenge faced by the former one-term ...

The resumption of nuclear weapons testing by the United States will undermine national security, arms control advocates told Newsweek. Daryl Kimball, executive director of the Arms Control Association ...

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

Choi Won-ho, head of the Nuclear Safety and Security Commission, speaks during an interview with Yonhap News Agency at the ...

Protesters chant slogans as one of them holds up a poster of the Iranian Supreme Leader Ayatollah Ali Khamenei in a protest following the U.S. attacks on nuclear sites in Iran, in Tehran, Iran, Sunday ...

DUBAI, United Arab Emirates (AP) — President Donald Trump’s comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to ...

Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing ...

The U.S. has announced a successful series of flight tests, dropping unarmed B61-12 nuclear gravity bombs from an F-35A stealth fighter at Nevada’s Tonopah Test Range. Conducted in August by Sandia ...

As Moscow threatens to launch nuclear warheads against NATO states helping Ukraine fend off the Russian invaders, the world ...

Russia and China held high-level talks in Moscow on missile defence and nuclear security, discussing what they described as ...

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

The F-35A is already certified to carry the B61-12 nuclear gravity bomb, but it has undergone further testing in recent months.