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

A mix of factors is contributing to an increasing mortality rate of trees in the moist tropics, where trees are dying at about twice the rate they were 35 years ago.

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

Tiny particles fuel powerful storms and influence weather much more than has been appreciated, according to a study by PNNL scientists and colleagues in the journal Science.