Opinions differ on whether the half ton of weapons-grade plutonium secretly shipped by the U.S. government to the Nevada National Security Site could impact residents’ health and the environment.

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When the United States broke off cease-fire talks with Russia over ...

(CBS) First it was radioactive iodine and cesium, and now Japan's crippled nuclear plant is said to be leaking plutonium. That news sent shock waves across Japan - after all, plutonium was the stuff ...

Oklo and LANL have conducted first plutonium fast reactor tests at NCERC, validating surplus fuel for advanced reactors like ...

The United States is preparing to mine a rare nuclear resource from some of its most dangerous Cold War legacies, turning ...

A map of the areas sampled by analytical chemist Michael Ketterer who released his findings of legacy plutonium waste in Los Alamos' Acid Canyon. (Courtesy of Michael Ketterer) Los Alamos, the Atomic ...

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 ...

I recall a Poul Anderson science fiction novel with teleportation being one of its’ premises and one of the plot points was the main station was on the Moon because you could teleport millions of tons ...

For the first time since an extremely dangerous demolition job at Hanford Plutonium Finishing Plant (PFP) started losing a grip on its safety plan, a Hanford worker directly impacted by the failures ...

With all the media hoopla last week about the Perseverance rover, going almost totally unreported was that its energy source is plutonium—considered the most lethal of all radioactive substances—and ...