Part of Operation Upshot-Knothole, was a 15-kiloton test fired from a 280-mm cannon on May 25, 1953 at the Nevada Proving Grounds. 72 years ago the U.S. Army carried out its first and only nuclear ...

For decades, Iran’s nuclear ambitions have been a source of concern for the US and its allies. The fear is that Tehran could eventually build an atomic weapon, an eventuality that Israel views as an ...

Add Yahoo as a preferred source to see more of our stories on Google. Team Trump has a growing Iranian problem. Tehran’s latest purported nuclear offer — a farcical proposal to pause uranium ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

American tactical nuclear weapons were stationed on the Korean Peninsula for much of the Cold War, on call and ready to repel a North Korean attack. Nuclear bombs, (Photo: Wikimedia commons, 247Sports ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

A nuclear escalation in the Middle East would trigger a global catastrophe. Know the physics behind nuclear weapons, and the ...

Team Trump has a growing Iranian problem. Tehran’s latest purported nuclear offer — a farcical proposal to pause uranium enrichment for a year in exchange for the release of Iranian frozen funds and ...