While a child in wartime Vietnam, Anh Duong vowed to one day help the soldiers who saved her. She and her Navy team helped ...

Harlan Ullman, Ph.D. is UPI’s Arnaud deBorchgrave Distinguished Columnist, a senior advisor at Washington, D.C.’s Atlantic ...

The Tsar Bomba, the largest and most powerful nuclear weapon ever detonated, remains an iconic and terrifying testament to the destructive power of nuclear energy. Developed by the Soviet Union during ...

Iran's more than 400 kg of uranium enriched to up to 60% purity are enough, if enriched further, for nine nuclear weapons, ...

The Tsar Bomba remains the most powerful nuclear bomb ever detonated, a weapon of unimaginable destruction. Designed by the Soviet Union in the 1960s, its explosive yield was 50 megatons of TNT, ...

"Go to the basement or middle of the building. Stay away from the outer walls and roof because radioactive material will ...

Khamanei said Iran "slapped America in the face" by launching an attack against a major US base in Qatar following the US ...

Pete Hegsth and Gen. Dan Caine touted the U.S. attack on a covert nuclear facility but sidestepped questions about the fate ...

The mayor of Greater Manchester calls on the government to act while the remaining survivors of the UK's 1950s nuclear tests ...

This is something that’s gone on for ages,” one expert said. “This is not something that is unique to this particular ...

The bombing marks a dramatic escalation in the U.S. government’s long-running effort to prevent Tehran from acquiring a nuclear weapon.

The operation to destroy Iranian nuclear facilities has been hailed as a success. How much damage as actually been inflicted ...