The final three Lead-test assemblies (LTA) of innovative REMIX fuel have been successfully removed ...

Completing the construction and outfitting of a facility for training the operators who will produce plutonium pits at the ...

Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.

MOSCOW (Reuters) -Russia's lower house of parliament on Wednesday approved a move to withdraw from a landmark agreement with the United States aimed at reducing vast stockpiles of weapons-grade ...

Add Yahoo as a preferred source to see more of our stories on Google. A person reflects in the window of the U.S. Department of Energy, with the official portrait of U.S. President Donald Trump on the ...

Newly released memo urges Los Alamos to accelerate plutonium pit production as critics raise safety and environmental ...

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 ...

Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D ...

Plutonium contamination persists in canyon ecosystems near Los Alamos National Laboratory in New Mexico, with recent research ...

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 ...

No names. No pictures. No direct conversation. And don't touch the plutonium. Those were the ground rules before NPR was allowed a rare opportunity to see nuclear inspectors learning their craft. The ...