The president's announcement that the U.S. would resume tests leaves questions. President Donald Trump raised questions Wednesday night about a decades-old U.S. prohibition on testing its nuclear ...

Hours prior to his meeting with Chinese President Xi Jinping, U.S. President Donald Trump posted on social media, “Because of other countries testing programs, I have instructed the Department of War ...

"We've halted many years ago, but with others doing testing I think it's appropriate to do so," the president told reporters aboard Air Force One. Experts say that the resumption of testing would be a ...

Decision follows China's expansion of nuclear stockpile Kremlin reacts cautiously to Trump's nuclear remarks Russia's recent nuclear tests include Poseidon super torpedo Pentagon expects Chinese ...

GYEONGJU, South Korea — President Donald Trump said Wednesday he had instructed the Defense Department to “immediately” start testing nuclear weapons "on an equal basis" with other nations. “Because ...