It’s widely known that a smoke detector is a good ionizing radiation source, as they contain a small amount of americium-241, a side product of nuclear reactors. But what about other sources? [Carl ...

A collaborative effort from researchers at the Lawrence Livermore National Laboratory (LLNL), Sandia National ...

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types ...

LTi Metaltech is utilizing innovative processes to deliver ultra-secure, traceable containers for sensitive nuclear materials.

LIVERMORE, Calif. (KGO) -- In a notice of intent posted earlier this month, the Department of Energy and the National Nuclear Security Administration informing the public of their plan to increase the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A plan to dilute and dispose of excess plutonium dating back to the Cold War was frozen by an executive order President Donald ...

A byproduct of aging nuclear weapons stockpiles could help power spacecraft on missions lasting decades. Americium-241, an ...

Plutonium, a radioactive element, is produced when uranium, another radioactive element, absorbs neutrons, and most of it is artificially produced, except for a small amount found in uranium ore.

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 ...

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 ...