Peering through the thick, green glass of a decades-old "hot cell," an expert technician manipulates robotic arms to study highly radioactive waste from Hanford, in support of ongoing cleanup.

For the first time, researchers have created a gram of yellowcake — a powdered form of uranium used to produce fuel for nuclear power production — using modified acrylic fibers to extract it from seawater.

Low-activity waste from Hanford tank vitrified for first time in a continuous process at PNNL.

PNNL researchers report in the journal Chem, that inexpensive materials called metal-organic frameworks have been very successful in separating xenon.

This time of year finds many of us busy with holiday shopping. While PNNL might not be developing the latest video games or hoverboards, we are working hard to deliver a few presents you might like.

Radiochemical Processing Laboratory: Now a nuclear historic landmark.

Once cooled, this molten glass can trap radioactive waste for thousands of years.

PNNL is world-renowned for its expertise in glass formulation and processing — knowledge that is instrumental to the work done in partnership with the DOE Office of River Protection to develop the vitrification process.

April 26 marks the 31st anniversary of the explosion at the Chernobyl Nuclear Power Plant's Unit 4 reactor. Battelle researchers at PNNL were involved in an international consortium to look at long-term safety and containment of Unit 4. T

Cleaning up Hanford is no easy task: it is one of the world's largest and most complex environmental remediation projects. The nation's top engineering firms are on the job and the Department of Energy's PNNL is helping.