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 ...

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 ...

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 ...

Public health advocates say the US Navy knew for almost a year that tests had detected dangerous levels of plutonium in the air at San Francisco’s Hunters Point Naval Shipyard. The Navy discovered the ...

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 ...

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 ...

Whether to build the Jefferson Parkway or to turn Rocky Flats into a playground, the determining factor should not be commercial or residential development. The determining factor should be hot ...

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 ...

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 ...