Two options that might speed up removal of radioactive waste from leaking underground storage tanks at Hanford will be evaluated, according to the terms of a settlement agreement reached Wednesday.

The U.S. Department of Energy says the rotting container holds 123,000 gallons of radioactive waste leftover from U.S. military bomb making. The giant tank was constructed during the Manhattan Project ...

The last piece of piping has been installed to move radioactive waste to the Hanford site vitrification plant, as final preparations are made to begin treating waste for disposal that has been stored ...

SPOKANE, Wash. (AP) — An underground nuclear waste storage tank in Washington state that dates to World War II appears to be leaking contaminated liquid into the ground, the U.S. Department of Energy ...

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 ...