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Hillary joined SLAC in July 2026 as the lab’s media relations lead. She works to increase the lab’s visibility among the public and other groups by securing impactful media coverage. This means working with SLAC writers, scientists, and engineers to...

Join us for science fun at STEM Community Day on Saturday, September 12, from 1-5 pm at SLAC!

Children enjoy interactive science demos

Now, we’re turning up the energy. The high-energy upgrade to LCLS will extend its ultrafast megahertz capability into the “hard,” or high-energy, X-ray regime.

The first of 23 cryomodules is delivered to SLAC for the high energy upgrade to the Linac Coherent Light Source

Register here to join us in-person, or watch online. Realizing usable electrical power from nuclear fusion has been a grand challenge for physicists and engineers for more than 70 years. Recently the National Ignition Facility (NIF) at Lawrence Livermore National...

SLAC will be hosting two annual Regional Science Bowls for teams of Bay Area high school and middle school students in 2026.

SLAC Regional Science Bowl 2020-competition photo

Public tours are typically offered on the last two Fridays of each month. Registration for our public tours open the first Friday of every month at 9 a.m. Tours are popular and spaces fill up quickly; we recommend registering as...

Tour stop at LCLS's XCS Hutch in the Far Experimental Hall

Public lecture presented by Sean Gasiorowski

Poster for public lecture titled Blazing the path to a fusion future

Dark matter makes up about 85% of all matter in the universe, yet its true identity remains one of the biggest cosmological mysteries. At SLAC, researchers are searching high and low to find answers.

Interested in keeping up with what’s going on at SLAC National Accelerator Laboratory? We have a variety of ways for you to stay connected with us.

Individual atoms and vibrations respond when a material is hit with light

Kathryn is editor-in-chief of Symmetry Magazine, a publication about particle physics and astrophysics. She has a master’s degree in journalism with a focus on science writing from Northwestern University. She came to SLAC in 2014 after working at Fermilab...

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Hillary Smith

Dark Matter Hunt with LUX-ZEPLIN (LZ)

STEM Community Day 2026

LCLS-II High Energy Upgrade

Blazing the path to a fusion future

Science Bowl

Public Tour registration

How scientists are building the AI-powered laboratory

Blazing the path to a fusion future

Dark matter

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Kathryn Jepsen