Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S.

At 5:29 a.m. on July 16, 1945, the desert near Alamogordo, New Mexico, briefly became a furnace unlike any on Earth’s surface. The world’s first nuclear bomb test vaporized steel, copper, cables, ...

The U.S. government is sitting on dozens of tons of weapons-grade plutonium. It's hoping startups can find a use for it.

According to the Institute for Science and International Security's analysis, facilities related to the weaponization of enriched uranium, such as development sites, were specifically targeted.

A revisit to the historic Trinity nuclear test reveals how the world's first atomic explosion in 1945 created a rare ...

Trump administration envoy Steve Witkoff and Iranian negotiators met Feb. 26 in Geneva, Switzerland, to reach a deal about Iran’s nuclear program. President Donald Trump said in June the U.S. had ...

The only well-exposed color image of the Trinity test. (Jack W. Aeby/Manhattan Project/Public Domain) We don't always get to pinpoint the exact moment the world changes. But when the New Mexico dawn ...

In the many-sided conflict now underway against Iran (i.e., simultaneous and complementary operations led by the United States and Israel),[1] little concern has been expressed for a nuclear war. To ...