Critics say draft rule changes on separating organic waste would have unintended effects and roll back progress on climate change.

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 ...

The Department of Energy on Wednesday signed the paperwork needed to allow radioactive waste to be pumped into the Hanford nuclear site’s vitrification plant 23 years after construction began, said ...

The first 7.5-ton container of radioactive waste turned into a stable glass form was carefully set on the bottom of a vast new landfill at Hanford in Eastern Washington Wednesday, its permanent ...

State officials aren't convinced DOE's plan would result in more Hanford site waste treated for disposal.

Twenty-three years and 70 days after workers began pouring concrete to build the Hanford Waste Treatment Plant, the plant has turned radioactive and hazardous chemical waste into a stable glass form ...

Nuclear energy is hot and everyone wants a piece of the action. President Donald Trump has announced his vision to quadruple America’s nuclear capacity by 2050, and 33 countries signed a declaration ...

The Department of Energy will take more time to make a potentially controversial decision on where radioactive liquid waste from the Hanford nuclear site's underground tanks will be turned into a ...