According to existing documentation, the U.S. has lost nearly a dozen nuclear bombs, but some analysts suggest the number could be higher.

The Kyshtym disaster registered as a Level 6 accident -- one shy of the highest -- on the International Nuclear Radiological Event Scale, and it was outdone only by the 1986 Chernobyl and the 2011 ...

In 1966, the remote Spanish village of Palomares found that the "nuclear age had fallen on them from a clear blue sky". Two years after the terrifying accident, BBC reporter Chris Brasher went to ...

Spain is asking the U.S. to clean up a nuclear site where a U.S. bomber and a refueling plane crashed ... up site of 1966 nuclear accident ... 239 across the landscape around Palomares.

José Herrera Plaza, who has spent 20 years investigating the Palomares accident, said since 1966, the incident had been manipulated by politicians. “Unfortunately, I don’t hold out much hope ...

The U.S. military had 32 nuclear accidents during the Cold War, ... Barrels of contaminated soil collected at Palomares, Spain for removal to the United States, 1966. (U.S. Air Force) ...

There was no nuclear explosion, as luckily they were unarmed. But they scattered highly radioactive plutonium over 250 hectares around the sleepy farming village of Palomares.

Spain and the U.S. signed a statement of intent in 2015 to negotiate a binding agreement to further restore and clear up the Palomares site and arrange for the disposal of the contaminated soil at ...

Over the decades, a series of military accidents involving nuclear weapons put millions of lives at risk. ... The plane promptly crashed near the Spanish village of Palomares, killing seven airmen.

Spain and the U.S. signed a statement of intent in 2015 to negotiate a binding agreement to further restore and clear up the Palomares site and arrange for the disposal of the contaminated soil at ...