One of the most daunting scientific and engineering challenges today is ensuring the safety and reliability of the nation's nuclear arsenal. To effectively meet that challenge, scientists need better ...

In a maze of tunnels 900 feet beneath the Nevada desert, US nuclear weapons scientists have since the 1990s been intermittently agitating flecks of plutonium with chemical high explosives, carefully ...

Taiwan appears to have conducted experiments with plutonium — a key component of nuclear weapons — up to the mid-1980s, diplomats said Wednesday, citing environmental tests taken by the U.N. atomic ...

The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

South Korea more than 20 years ago secretly conducted an experiment with traces of plutonium, a key ingredient in making nuclear weapons, a senior Bush administration official disclosed Wednesday.

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

For years, the federal government has been working on turning old, unexploded warheads left over from the Cold War into a fuel for next-generation nuclear power.