The Northwest’s only commercial nuclear power plant, the Columbia Generating Station, was manually shut down early Thursday morning due to a mechanical problem. Energy Northwest workers shut the plant ...

In January 2025, WSJ went inside Three Mile Island to learn more about the delicate process of rebooting a nuclear power plant. Photo Illustration: Alexandra Larkin A nuclear-power startup said it has ...

A model of a 09IIIB submarine posted to Chinese social media. It does not appear to be an official model, but much of it correlates with other indicators and may be grossly representative of the real ...

Russia will continue to observe the limits set under the recently-expired New START nuclear arms reduction treaty if the United States does the same, Russian Foreign Minister Sergey Lavrov said ...

An awe-inspiring science project by a Dallas ISD seventh-grader is now drawing national attention, as the student works to secure a Guinness World Record as the youngest person to achieve nuclear ...

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U.S. and Iranian representatives met in Oman on Friday for talks over the fate of Tehran’s nuclear program, the first such negotiations between the two sides since U.S. strikes on Iranian nuclear ...

Nuclear-capable DF-5C missiles in Beijing on Sept. 3. (Kevin Frayer/Getty Images) We all sense that the world is entering a more uncertain phase. Alliances feel shakier, trade is fragmenting, and ...

WASHINGTON — President Donald Trump plans to let a treaty that's limited how many nuclear weapons the United States and Russia can maintain expire, while his team works to negotiate a new deal. The ...

President Donald Trump on Thursday called for U.S. nuclear experts to begin work on what he described as a "new, improved, and modernized Treaty," arguing that the United States should move away from ...

Berlin is considering developing its own atomic weapons to bolster Europe’s nuclear umbrella and the US’s own stockpile in the region, according to German Chancellor Friedrich Merz. Speaking before ...