HANFORD SITE, Wash. – In a remote area of east central Washington, the majority of plutonium used in the national stockpile of nuclear weapons was produced over decades. Former site ...

A group of Hanford workers have come up positive for internal radioactive contamination. (Photo: KING) Author: Susannah Frame Published: 2:19 AM EDT August 3, 2017 Updated: 8:19 AM EDT August 3, 2017 ...

The Hanford site Department of Energy manager who led much of the transition from weapons plutonium production to environmental cleanup has died. John D. Wagoner died June 6 in Knoxville, Tenn ...

Fat Man, the nuclear bomb that was detonated over Nagasaki, Japan on August 9, 1945, also contained Hanford's plutonium. The bomb killed an estimated 50,000 people in Nagasaki, The BBC reported.

Now, more than 30 years after the end of plutonium production on the site, the last fuel basin has been stabilized by the Central Plateau Cleanup Company, contracted by the U.S. Department of Energy.

In the site's early days, plutonium would be sent from Hanford to the Los Alamos Laboratory in New Mexico, where Manhattan Project scientists would use it in the development of atomic weapons ...

Hanford is a 580-square-mile site established during World War II to produce plutonium for America’s defense program. The site generated an enormous amount of waste, some of which is hazardous ...

Hanford was used to produce plutonium for the nation's nuclear weapons program during World War II and the Cold War. Environmental cleanup is underway now.

Fat Man, the nuclear bomb that was detonated over Nagasaki, Japan on August 9, 1945, also contained Hanford's plutonium. The bomb killed an estimated 50,000 people in Nagasaki, The BBC reported.