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Fundamental physics RSS feed

SLAC fundamental physics researchers study everything from elementary particles produced in accelerators to the large-scale structure of the universe. 

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Fundamental physics concept illustration

News Brief

Vera C. Rubin Observatory’s fast-moving telescope and huge digital camera will illuminate the faint glow of free-floating stars within galaxy clusters, providing unprecedented insight...

A smattering of hundreds of galaxies of different shapes and sizes against a black background. Semi-opaque teal blobs surround and connect many of the galaxies.

The Fundamental Physics Directorate brings together scientists and technologies that support national priorities in particle physics, astrophysics and cosmology to explore the basic particles and forces that knit the cosmos together.

Dark matter stream visualization
News Feature

Four engineers discuss their journeys to working at SLAC and counsel those following in their footsteps.

Ashley fellows 2023
News Feature

Three SLAC scientists explain what they do to ensure the world's largest digital camera for astronomy is ready for the big time.

A digital sensor array is visible through a large camera lens inside a white room.
Press Release

With up to a million X-ray flashes per second, 8,000 times more than its predecessor, it transforms the ability of scientists to explore atomic-scale...

LCLS-II first light
News Feature

Line intensity mapping measurements taken with a new instrument will allow astrophysicists to study galaxies too far away for traditional methods.

The South Pole Telescope
News Feature

Vera C. Rubin Observatory’s Legacy Survey of Space and Time will revolutionize Solar System science by revealing a population of previously undiscovered interstellar comets...

An illustration of an interstellar object approaching our solar system.
News Feature

Leora Dresselhaus-Marais, Claudio Emma,  Bernhard Mistlberger and Johanna Nelson Weker will pursue cutting-edge research into decarbonizing steel production, theoretical physics, generating more intense particle...

This photo shows all four recipients from SLAC and Stanford of the DOE's 2023 Early Career Award
News Feature

The reanalysis considered new types of particle collisions and how dark matter particles interact with the Earth. 

clusters of galaxies collide showing separation of dark matter
News Feature

It takes a lot of meetings, travel logistics and even tracking down some parts to keep a large team collaborating on a project like...

A portrait of Regina Matter.
News Feature

The first batch of data from the Dark Energy Spectroscopic Instrument is now available for researchers to mine. Taken during the experiment’s “survey validation”...

A telescope building sits atop a mountain in twilight.
News Feature

The results offer important implications for astrophysics and nuclear fusion research.

NIF experiment