Chalkboard with theory formulas
The Theory Group

SLAC’s internationally recognized theory program pursues excellence across a broad spectrum of theoretical research in advancing the frontiers of particle physics, particle astrophysics and cosmology.

More about the Theory Group

Explore more about the theory group

SLAC's renowned theory program is dedicated to achieving excellence in a diverse range of theoretical research, pushing the boundaries of particle physics, particle astrophysics, and cosmology. Delve into our research initiatives, explore the studies themselves, and if you're keen on becoming part of our team, discover opportunities to collaborate with us.

Featured Video

How to Bend a Stream of Dark Matter and Make it Shine

The nature of dark matter is one of the most captivating and fundamental open problems facing physicists today. Over many decades, we have collected overwhelming evidence for the existence of dark matter in the universe. Some of the strongest evidence comes from observations of the growth of galaxies and clusters of galaxies, from tiny clumps of matter at the earliest times to the vast patterns of stellar structures that we see in our telescopes today.  (Sebastian Ellis)
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Upcoming Theory Events and Seminars