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 ...

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 ...

Hanford site workers have reached a key environmental cleanup milestone, emptying radioactive waste from a second tank farm. “This is an important moment in our Hanford cleanup effort,” said Brian ...

RICHLAND — Hanford workers are expected to begin pumping radioactive waste from a leak-prone underground tank at Hanford for the first time in nearly two years. Work is scheduled to begin this weekend ...

One of the single-shell tanks storing radioactive waste at the nation's most contaminated nuclear site is leaking around 150 to 300 gallons of liquid per year, Washington Governor Jay Inslee said ...