A third aging underground tank at the Hanford nuclear site is suspected of leaking highly radioactive and hazardous chemical waste into the ground, the Department of Energy said Thursday. “This is ...

FILE - In this Aug. 13, 2019, file photo, a sign at the Hanford Nuclear Reservation is posted near Richland, Wash. Officials say an underground nuclear waste storage tank that dates to World War II ...

Nuclear Waste Program's efforts to oversee cleanup of one of the world's most complex nuclear sites. Join us as we look back ...

SPOKANE, Wash. (AP) — A new deal allows a radioactive waste storage tank to continue leaking for more than a year before its contents are pumped out at the Hanford Nuclear Reservation, the nation’s ...

An underground Hanford tank holding 123,000 gallons of radioactive waste appears to be leaking contaminated liquid into the ground, according to the Department of Energy. This is the second of Hanford ...

This graphic shows a cutaway view of a double-shell nuclear waste storage tank at the Hanford Site. (Credit: Washington State Department of Ecology) Workers at Eastern Washington’s Hanford Site are ...

This graphic shows a cutaway view of a double-shell nuclear waste storage tank at the Hanford Site. Liquid waste has pooled up in the space between the inner and outer shell of one tank, designated AY ...

SPOKANE, Wash. — A deal to address two nuclear waste storage tanks that are leaking radioactive materials into the soil in Washington state was reached Thursday between the state and the U.S.

The oldest double-shell tank at Hanford will be permanently closed, the Department of Energy has told the Washington Department of Ecology. After emptying as much radioactive waste as possible from ...

US DOE has completed major optimisations at Savannah River Site's SWPF and DWPF, doubling tank waste processing rates to accelerate Cold War legacy cleanup.