SEATTLE (AP) — 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 ...

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 ...

Encasing radioactive waste in glass -- called "vitrification" -- has been recognized since at least the 1980s as an effective method for neutralizing it. There are plans for two facilities at Hanford: ...

FILE - A caution sign is shown on a road on the Hanford Nuclear Reservation on June 2, 2022, in Richland, Wash. (AP Photo/Ted S. Warren, File) SEATTLE (AP) — For much of the 20th century, a sprawling ...