Next month it will have been 80 years since the Japanese cities of Hiroshima and Nagasaki were devastated by nuclear attacks. More than 200,000 people – mostly citizens – would die by the year's end ...

A terrifying new simulation reveals what really happens when a nuclear bomb detonates—and the truth is more horrifying than you think. From blindness and third-degree burns two miles away to instant ...

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 ...