PNNL biodefense experts seek to identify, understand and mitigate the risks of biological pathogens—whether naturally occurring or intentionally created—so steps can be taken to prepare and respond.

Scientists are studying tiny subatomic particles that pass through humans and possess clues about the origins of the universe.

COMPASS points to understanding nature’s transition zones—areas that can be dry land at times and under water at others.

Understanding the Earth as a complex, dynamic system includes investigating what happens on, above and below its surface.

Here at the Department of Energy's Pacific Northwest National Laboratory, much of our physics research focuses on fundamental scientific discovery and national security.