Trump said the U.S. will test nuclear weapons “on an equal basis” with Russia and China. None of the three countries has ...

Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

ABC News' Luis Martinez and contributor Mick Mulroy discuss President Donald Trump's order to put the U.S on equal basis with ...

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Beijing has been expanding its arsenal, and distrust between China and the United States over nuclear weapons has deepened, ...

President Trump said Wednesday he directed the Pentagon to immediately start testing U.S. nuclear weapons for the first time ...

President Donald Trump on Thursday vowed to begin testing US nuclear weapons “on an equal basis” with Russia and China, heralding a potentially major shift in decades of US policy at a time of growing ...

US President Donald Trump’s decision to resume testing of the country’s nuclear weapons has led to the US Congress being ...

North Korean leader Kim Jong Un, whom Trump tried and failed to connect with during his tour in Asia, also tested strategic ...

In his high-profile meeting with Chinese leader Xi Jinping on Thursday, Trump said the issue didn’t even come up ...

Donald Trump has instructed the Pentagon to resume nuclear weapons testing immediately. This has shone a spotlight on the ...

President Trump ordered the immediate resumption of nuclear weapons testing, ending a 33-year moratorium, citing China's ...