The Trump administration’s agreement to expand nuclear cooperation with Saudi Arabia is raising questions about nuclear proliferation in the Middle East.

Four people have been killed in a Ukrainian attack on the Russian-occupied city of Enerhodar, home to Europe's largest nuclear power plant, Russian officials said on Sunday. Four more residents were ...

World News Trump threatens Iran after Ayatollah’s funeral saw open calls for his killing On Truth Social on Friday, Trump declared the ceasefire over but said the U.S. would con ...

Iran has begun an elaborate, dayslong state funeral for former Supreme Leader Ayatollah Ali Khamenei, months after he was k ...

The United States and Iran are holding indirect technical talks in Qatar in a fresh diplomatic push to prevent another military escalation after weeks of conflict that rattled the Middle East.

How some of the world’s most precise clocks missed a very small beat. By Mike Ives and Adeel Hassan Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected ...

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When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

Japan marked 80 years since the atomic bombing of Hiroshima on Wednesday with a silent prayer and ceremony, reminding the world of the horrors unleashed.

A pivotal scene in the explosive hit biopic and Best Picture winner, "Oppenheimer," involves America's top scientists discussing whether or not to develop an even more potent nuclear weapon — the ...