SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...

A remote-controlled robot has pulled the first sample of melted nuclear fuel from inside the wrecked Fukushima Daiichi power plant, a small but significant step in what remains the most difficult ...

ST. LOUIS COUNTY, Mo. — A new effort is underway in north St. Louis County focusing on removing the radioactive waste from the region. That effort involves a new group called the North County ...

BRIDGETON, Mo. – The U.S. Environmental Protection Agency has completed a key round of sampling at the West Lake Land Superfund site in Bridgeton, bringing feds one step closer to beginning cleanup of ...

Courtesy of the U.S. Department of Energy Suzanne Dahl has worked to treat radioactive tank waste at the Hanford cleanup site in southeast Washington for more than 30 years. For Dahl, the tank waste ...

Gov. Ferguson warns of legal action if DOE delays Hanford waste treatment plan. Hanford’s vit plant faces uncertainty despite $30B investment and 3,000 workers. Washington state regulators report no ...

A flexible layered sulfide captures hydrated rare earth ions from radioactive water, enabling fast and selective cleanup while maintaining chemical stability and radiation resistance in a tunable ...

State regulators are seeking to strike a deal with a Colorado company that failed to meet its obligation to clean up one of the state’s most polluted sites — a settlement that local watchdogs say is a ...