In two days, New START, the last significant survivor of the age of nuclear-arms-control agreements that began in the ...

Yet January 14th marked the longest period humankind has gone without one or another part of the whole exploding one of these ...

Add Yahoo as a preferred source to see more of our stories on Google. A pair of lawmakers exhorted the Energy Department's top official to consider reining in a major nuclear arsenal modernization ...

The United States openly tracks thousands of nuclear warheads, yet a small number have slipped permanently out of reach. Yes, the US has lost 6 nuclear weapons, and each disappearance left a trail of ...

Add Yahoo as a preferred source to see more of our stories on Google. Donald Trump said on Thursday that he's ordering the US to restart nuclear weapons tests. That would be the first time the US has ...

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 ...

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

Japan’s long-standing status as a non-nuclear power is under fresh scrutiny after a report argued that the country could assemble its own nuclear weapons within roughly three years. The claim has ...

Virginia Proposal to Expand Offshore Wind Power Threatens National Security NATO’s Not Dead Britain’s Chagos Deal Can’t Go Forward Without U.S. Consent Trump’s Greenland Pursuit Has Left NATO Damaged ...

A senior Japanese official’s suggestion that Japan should possess nuclear weapons has reignited debate over whether the country could—or would—break with a decades-old taboo in response to an ...