RICHLAND — Three radioactively contaminated underground structures at high risk of collapse on the Hanford nuclear reservation could be filled with concrete-like grout within a year. The Department of ...

WASHINGTON — The Energy Department plans to send plutonium in Washington state and at research laboratories in New Mexico and California to the Savannah River nuclear complex in South Carolina to ...

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 ...

Recycling plutonium is dangerous and costly. Britain should take the lead on direct disposal, say Frank von Hippel, Rodney Ewing, Richard Garwin and Allison ...

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 ...

The bad news had been labeled “Top Secret” but it had leaked out. One leak was Colorado’s Senator Edwin C. Johnson, member of the Congressional Joint Committee on Atomic Energy, who unwarily blurted ...

The plutonium-244 hints at how heavy metals form in stars. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A rare version of the radioactive ...

A significant new chemical attribute of plutonium has been found by researchers: the identification and structural verification of the +2 oxidation state in a molecular system. Researchers at Los ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Workers at a nuclear-waste site in Washington state were recently told to hunker down in place ...