Experts warn any new Iran deal must ban plutonium reprocessing and expose covert pathways to nuclear weapons, citing risks ...

In Iran, uranium enrichment isn’t the only threat.

Today there is a public hearing in Santa Fe for the draft Plutonium Pit Production Programmatic Environmental Impact Statement, made possible by Nuclear Watch New Mexico’s successful lawsuit.

The National Nuclear Security Administration finds plutonium production at Savannah River Site will have no impact on ...

WASHINGTON — NASA is facing the prospect of trying to explore deep space without the aid of the long-lasting nuclear batteries it has relied upon for decades to send spacecraft to destinations where ...

Japan’s leading power companies decided to transfer ownership of tons of plutonium stored in Britain and France for reprocessing in a quest to reduce the stockpile as quickly as possible. The plan was ...

Plutonium can be used to make nuclear bombs. But it can also be recycled and used as a fuel in nuclear reactors. According to the authors of a Nature editorial, the UK—which has the largest civilian ...

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 ...

A rare version of the radioactive element plutonium embedded in Earth's crust below the deep sea is providing new clues as to how heavy metals form in the stars. The new research finds that the ...