Democratic U.S. lawmakers on Wednesday urged President Donald Trump to cancel a plan to make surplus plutonium from Cold War-era atomic bombs available as a fuel for nuclear power operators, saying ...

The NNSA's push to build new warhead cores is its "largest and most complex" effort since the end of the Manhattan Project, a ...

Recent events in Iran demonstrate that dropping “bunker buster” bombs on nuclear plants is not an ideal, or even necessarily effective, way to prevent proliferation. It is far preferable to prevent ...

Japanese Emperor Naruhito, accompanied by his wife and daughter, have paid their respects to atomic bombing victims in ...

Japan's Emperor Naruhito and his family paid their respects Friday to the victims of the atomic bombing 80 years ago of the ...

Each day of war risks a strike on sites that could scatter radioactive material. Officials say one laboratory near the front ...

Japanese Emperor Naruhito, Empress Masako and their daughter Princess Akito met atomic bomb survivors at a nursing care ...