The National Nuclear Security Administration’s deputy administrator for defense programs argued in a memo this month that Los Alamos National Laboratory should increase its annual production of ...

Japanese national Takeshi Ebisawa sentenced to 20 years in federal prison for attempting to sell weapons-grade plutonium to Iran.

Prosecutors said Takeshi Ebisawa tried to sell uranium and plutonium from Myanmar in a plot tied to Iran’s nuclear program.

Japan’s leading power companies decided to transfer ownership of tons of plutonium stored in Britain and France for reprocessing in a quest to reduce the stockpile as quickly as possible. The plan was ...

The memo points to geopolitical strife as a reason behind increased urgency to modernize America's nuclear stockpile.

Plutonium can be used to make nuclear bombs. But it can also be recycled and used as a fuel in nuclear reactors. According to the authors of a Nature editorial, the UK—which has the largest civilian ...

It appears that the U.S.'s plutonium-238 shortage is coming an end. The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon. But ...

The Nuclear Nonproliferation Treaty (NPT), whose tenth review conference is coming up in August, is in trouble, and not only because of the crescendo of complaints about the failure of the ...

Sellafield Ltd has awarded LTi Metaltech a £45m contract to supply specialist containers for its SRP plutonium repackaging plant.

A team of scientists has discovered a new, stable form of plutonium – and done so by accident. The famously unstable element is tricky to transport, store and dispose of, but the find could lead to ...

In 1977, the Voyager 1 spacecraft left Earth on a five-year mission to explore Jupiter and Saturn. Thirty-six years later, the car-size probe is still exploring, still sending its findings home. It ...