Multi-day fast-spectrum reactor experiments at the U.S. Department of Energy’s National Criticality Experiments Research Center generate modern benchmark data. The data supports Oklo’s ...

Gathered in a control room deep in the Nevada desert, a team of researchers from Lawrence Livermore and Los Alamos national laboratories watched safety monitors as a carefully layered stack of ...

2005-06-16 04:00:00 PDT Vienna-- Iran has admitted that it conducted small-scale experiments to create plutonium, one of the pathways to building nuclear weapons, for five years beyond the date when ...

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 ...

Scientists have recently conducted plutonium experiments using a pulsed power Z Machine that have reached regions of pressure, temperature and density in plutonium never before explored in the ...

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 ...

Today that element, plutonium, is the main ingredient of weapons in the U.S. nuclear stockpile. Those weapons now are older - and the plutonium inside them has been aging longer - than any earlier ...

Scientists at the Nevada National Security Site this week fired the 100th shot on their JASPER gas gun to help them assess the safety and reliability of the nation's aging nuclear weapons stockpile.

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 ...