Japan’s long-standing status as a non-nuclear power is under fresh scrutiny after a report argued that the country could ...

Recent comments by President Donald Trump comparing the U.S. attack on Iranian nuclear sites to the bombings of Hiroshima and Nagasaki in 1945 have sparked criticism from Japanese officials and atomic ...

Nothing comes close to a thermonuclear weapon. Insider spoke to the US's leading arms control experts, who struggled to make sense of what Trump said.

If anything, the widespread lack of comprehension (and so protest) is one big reason nuclear war remains so chillingly possible.

Last month, President Donald Trump ordered U.S. airstrikes on several of Iran's nuclear facilities, declaring afterward that the attacks had "obliterated" the country's nuclear program. Yet, according ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

Forbes contributors publish independent expert analyses and insights. As the Kremlin escalates missile blitzes on Ukraine, and threatens to target its Western backers with plutonium bombs, some ...

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 ...

Dr. Tanaka is a chair of Nihon Hidankyo, the Japan Confederation of A- and H-Bomb Sufferers Organizations. I was 13 years old on Aug. 9, 1945, when the United States dropped an atomic bomb on Nagasaki ...

Mr. Cohen is an editorial assistant in Opinion. It was a sweltering day last August when Valentina Urtan, a 30-year-old from Ukraine, sat in an auditorium in Nagasaki, Japan, listening to a survivor ...

NAGASAKI, Japan — The southern Japanese city of Nagasaki on Saturday marked 80 years since the U.S. atomic attack that killed tens of thousands of civilians and left survivors who hope their harrowing ...