North Korea says it has resumed plutonium production from spent fuel rods and has no plans to stop nuclear tests as long as the United States still “threatens” Pyongyang, Kyodo News reported Wednesday ...

The National Nuclear Security Administration (NNSA), the organization within the Energy Department that is responsible for producing and maintaining US nuclear warheads, is moving forward with a plan ...

Voyages into space are among the most iconic endeavors of the 20th and 21st centuries. Spacecraft that have ventured out to this “final frontier” have relayed stunning images and enlightening ...

Unlike its adversaries, the United States is currently lacking a viable capability to produce plutonium pits for its nuclear warheads. The long-term plan to develop the capability over the next decade ...

Have you ever wondered what does a spacecraft and a pacemaker have in common? Both are powered by plutonium-238 (238 Pu), a versatile isotope, known for its ideal heating properties. Recent research ...

Russia announced that it had shut down the second of its three plutonium-producing reactors - the ADE-5 unit at Seversk - as part of a nuclear non-proliferation programme with the USA. Russia ...

Last week U.S. District Judge Mary Lewis Geiger, South Carolina, faulted the Department of Energy and the National Nuclear Security Agency for ignoring the National Environmental Protection Act and ...