VIENNA, Oct 30 (Reuters) - The head of the Comprehensive Nuclear-Test-Ban Treaty Organization, or CTBTO, said on Thursday that any explosive nuclear weapon test would be harmful for global ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent Chinese military study reported on Sunday says using three precision-guided warheads is more effective at destroying ...

President Donald Trump’s announcement that the United States will resume nuclear weapons testing for the first time in more than three decades has sent shockwaves through both Washington and world ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...

America is in the middle of a once-in-a-generation effort to upgrade our nuclear weapons, which could cost taxpayers as much as $1.7 trillion. Some also are suggesting it might be time to restart ...

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe. By William J. Broad President ...

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 ...

Operation Hardtack I included many nuclear detonations, but the Umbrella shot stood out for its strange and spectacular underwater effects. Set off in Enewetak Lagoon in 1958, the 8-kiloton blast ...

At the United Nations, an effort is underway in the General Assembly to establish an international panel of scientists to assess, communicate and advance our current knowledge of the effects of ...