Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

If President Donald Trump does decide to use the United States' largest conventional bomb to destroy Iran’s fortresslike Fordo nuclear enrichment facility, the colossal force of the explosion would ...

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.