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In the lush, misty valleys of southwest China, satellite imagery reveals the country’s accelerating nuclear buildup, a force designed for a new age of superpower rivalry. One such valley is known as ...

Iran's Deputy Foreign Minister Majid Takht-Ravanchi tells the BBC that Tehran is ready for a deal with the U.S. over its nuclear program. Tehran has repeatedly ruled out linking the issue to other ...

HILL AIR FORCE BASE, Utah—The U.S. military airlifted a modern nuclear reactor on Sunday for the first time, part of President Trump’s push to deploy nuclear power across the United States. Three C-17 ...

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 next-generation nuclear reactor left March Air Reserve Base, Calif., on Sunday in a first-of-its-kind airlift. The modules of the reactor were loaded aboard three C-17 Globemaster III aircraft, and ...

The Department of War on Sunday transported a next-generation nuclear reactor aboard a C-17 from California to Utah, advancing President Donald Trump’s executive order to modernize America’s nuclear ...

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 ...

U.S. military flies small nuclear reactor from California to Utah Microreactors seen as alternative to diesel generators in remote areas Disposal of nuclear waste remains unresolved, talks ongoing ...

WASHINGTON, Feb 17 (Reuters) - A senior U.S. official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. The undersecretary of state for arms control and ...

The test reactor will deploy at its new home at the San Rafael Energy Lab, where officials expect it to be switched on by July 4.