SLAC topics

Particle Astrophysics & Cosmology (PAC) RSS feed

To explore the birth of the universe, star and galaxy formation and the structure of space and time, SLAC researchers help develop cutting-edge technologies for a range of sensitive experiments.

Speed of hydrogen gas in a rotating galaxy.

News Feature

Just because matter is visible doesn’t mean it’s easy to see.

Illustration of Earth and galaxies with icons representing telescopes.
News Collection

The Vera C. Rubin Observatory is currently under construction in Chile. The U.S. Department of Energy’s SLAC National Accelerator Laboratory is leading the construction of its camera – the largest digital camera ever built for astronomy.

Diagram of Legacy Survey of Space and Time (LSST) camera lenses and filters
News Feature

An astronomy festival will mark the milestone.

Visitors at KIPAC are observing the sun through telescopes and sun-spotters.
News Brief

A new study probing the structure and evolution of galaxy clusters shows good agreement with the predictions of standard cosmological models. 

A cluster of bright galaxies on a black background.
Video

Learn about the 10-year Legacy Survey of Space and Time (LSST) and Vera C. Rubin Observatory in this video.

LSST Explainer | Mapping the universe
Video
News Feature

An enormous vat of pure liquid xenon will help scientists at SLAC and around the globe learn more about the universe.

A collection of pipes, towers, and other equipment
Animation
This animation shows how krypton (red) is removed from xenon gas (blue) by flowing the combined gases through a column...
A blue cloud with red spots travels downward, passing gray spots. As it does, the red spots move downward faster.
News Feature

To capture as much information as possible about clouds of atoms at the heart of the MAGIS-100 experiment, SLAC scientists devised a dome of...

an array of rainbow-tinted views of a tiny 3D object that spells "DOE"
News Feature

They’ll work on experiments that search for dark matter particles and exotic neutrino decays that could help explain why there’s more matter than antimatter...

Side-by-side portraits of Brian Lenardo and Chelsea Bartram
News Feature

Edelen draws on machine learning to fine tune particle accelerators, while Kurinsky develops dark matter detectors informed by quantum information science.

Side by side photographs of a woman and a man.
News Feature

The Rubin Observatory's LSST Camera will take enormously detailed images of the night sky from atop a mountain in Chile. Down below the mountain...

LSST data illustration
News Feature

DESI has already mapped out more galaxies than all previous 3D surveys combined, and it's just getting started.

Mayall Telescope Star Trails