The concrete stack stood 175 feet tall, much shorter than when the reactor was irradiating fuel to produce plutonium.

The Hanford Tank Waste Treatment and Immobilization Plant was built to turn that nuclear waste into glass; it started ...

Two underground structures at the Hanford site that were at risk of collapsing and spreading highly radioactive contamination into the air have been stabilized. “With this work completed, Hanford has ...

A settlement involving the safety of workers at the Hanford nuclear site is what Washington state Attorney General Bob Ferguson called a "historic victory" Wednesday. Ferguson says a 2015 lawsuit ...

For the first time in 60 years, Hanford’s Plutonium Finishing Plant is off the electrical grid. Power has been disconnected for the safety of workers doing the final cleanout of the main portion of ...

RICHLAND -- Nuclear archaeology has solved the mystery of a jug of plutonium that was found sealed inside a safe dug up as workers cleaned up an early Hanford burial ground. Science showed the ...