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, ...

Nuclear experts say the president’s rejection of the restrictive deal forced him to neutralize an Iranian threat of his own ...

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

The US military did not use bunker-buster bombs on one of Iran’s largest nuclear sites last weekend because the site is so deep that the bombs likely would not have been effective, the US’ top general ...

The proceedings for the nuclear scientists and military commanders killed in Israeli strikes began at 0430 GMT. Images showed coffins draped in Iranian flags and bearing portraits of dead commanders ...

The deep penetrating bombs that the U.S. dropped into two Iranian nuclear facilities were designed specifically for those ...

The big question following U.S. and Israeli attacks on Iran’s nuclear program is: What remains of it? U.S. President Donald ...

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