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.

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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 ...

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

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 ...

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 ...

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 ...

The Trump administration plans to supply the nuclear power industry with plutonium from decommissioned warheads dating back to the Cold War. The plan could provide 20 metric tons of plutonium fuel to ...

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 ...

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 ...

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 ...

How plutonium was depicted in the movie “Back to the Future” was a joke. The fictional Doc Brown barely took precautions while using plutonium stolen from Libyan terrorists to energize a DeLorean time ...