Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump's order late Wednesday night for the U.S. to resume nuclear weapons tests has confounded officials and ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

In the midst of trading promises with both allies and adversaries during his recent tour of Asia, U.S. President Donald Trump dampened the positive mood with an ominous pronouncement. “Because of ...

Donald Trump has repeatedly called the proliferation of nuclear weapons “the n-word,” his way of warning that speaking “nuclear” into existence puts the world on the path of mutually assured ...

President Trump's post announcing the U.S. would resume nuclear testing featured some inaccuracies, and introduced quite a bit of uncertainty. Why it matters: Nuclear rhetoric is closely scrutinized — ...

Writing from Marine One, which was gliding toward the airport in South Korea where he was due to meet Xi, Trump instructed the Pentagon to resume nuclear testing after a 33-year pause, citing other ...

Senate Democrats want to curb President Donald Trump’s ability to unilaterally resume nuclear testing, as the president suggested the U.S. would do on an "equal basis" with Russia and China moving ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...