During the late 1970s, the United States developed a nuclear weapon designed not to flatten cities but to kill the people ...

Eighty years ago today, at 5:29 am on the morning of 16 July 1945, in the state of New Mexico, a dreadful slice of history was made. The dawn calm was torn asunder as the United States Army detonated ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

On Nov. 13, 1972, Terry Christensen was working in his office at Dixon Inc. on Orchard Mesa when he, like others, “felt the tremor.” He added. “We went out and saw the smoke. We saw a mushroom cloud, ...

When the first nuclear bomb test took place 80 years ago, the scientists who gathered to observe the explosion in the New Mexico desert recognized they were playing with fire. Physicist Enrico Fermi ...

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 ...