Add Yahoo as a preferred source to see more of our stories on Google. An unarmed Trident II D5 missile launches from an Ohio-class ballistic missile submarine off the coast of Florida. The four ...

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an equal basis” with China and Russia. This statement seemed to suggest that our ...

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 ...

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 ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...

MAJURO, MARSHALL ISLANDS - Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But living on Rongelap - a remote tropical atoll in the central Pacific ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

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 ...

The United States detonated its first atmospheric nuclear test in Nevada seventy-five years ago this February, setting off a chain of events that would alter countless lives across the Mountain West.