This article is part of “The New Nuclear Age,” a special report on a $1.5-trillion effort to remake the American nuclear arsenal. In early nuclear bombs, like the ones the U.S. dropped on Japan in ...

Instead of burying plutonium and pretending it has disappeared, we can put it to work. With advanced fast reactors, like those being developed by private American innovators, stored fuel will be ...

Outdone only by nuclear fusion, the process of nuclear fission releases enormous amounts of energy. The ‘spicy rocks’ that are at the core of both natural and artificial fission reactors are generally ...

The results of the Chi-Nu physics experiment at Los Alamos National Laboratory have contributed essential, never-before-observed data for enhancing nuclear security applications, understanding ...

Experts called it the biggest atomic news since the end of World War II. The Atomic Energy Commission revealed last week that it is now considered practical to build a nuclear reactor which will ...

As it was said (and sang) in 1979, plutonium is forever…with thousands of years of radioactivity from nuclear fission (especially plutonium 239). Jeff Bezos—proving again that he is not Democracy’s ...

Buried deep in the desert near the plutonium plant at Hanford, Wash. are thick-walled concrete treasure chests, guarded by a stronger curse than watches over any Egyptian tomb. If a thief were to try ...