For 25 years, the Southern Great Plains observatory of the Atmospheric Radiation Measurement Climate Research Facility has produced data allowing scientists to better understand our planet.

Scientists have improved our ability to interpret one of the most common measures of the temperature of Earth's oceans in the distant past.

PNNL is studying the movement of lamprey fish, which are culturally and historically important to the Pacific Northwest, on rivers and through hydroelectric dams.

Emissions of isoprene, a compound from plant matter that wields great influence in the atmosphere, are up to three times higher in the Amazon rainforest than scientists have thought.

The May 18, 1980, eruption of Mount St. Helens clouded the Pacific Northwest prompted a trove of research for some PNNL scientists.