Add Yahoo as a preferred source to see more of our stories on Google. Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

President Donald Trump’s calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain. Photo by Yuri ...

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from cancer and other diseases over time, according to a new report delving into ...

In a November 5 meeting of the Security Council of Russia, President Vladimir Putin directed his military and political leaders to “submit coordinated proposals on the possible first steps focusing on ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...