The earthquake measured 4.2 on the Richter scale. Its intensity and short duration immediately drew attention because it ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

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 ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

"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 ...