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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

SLAC hosted two faculty members from institutions historically underrepresented in the research community via the Visiting Faculty Program.

Fred Lacy and Kolo Wamba stand in front experimental equipment.
News Feature

David Cesar, Julia Gonski and W.L. Kimmy Wu will each receive $2.75 million issued over five years for their research in X-ray and ultrafast...

Early Career Award Winners 2024
News Feature

The 3.5-meter  glass mirror is the first permanent component of the Simonyi Survey Telescope's  state-of-the-art, wide-field optical system to be installed and will soon...

A donut-shaped mirror is lowered into a large support apparatus.
Video

Margaux Lopez is the logistics lead for shipping the LSST Camera to Chile. The world's largest digital camera, crafted at SLAC National Accelerator Laboratory...

Stillframe of LSST video
Video
News Feature

Researchers have released 10 terabytes of data from the OpenUniverse project, which has created a detailed simulation of the universe astrophysicists can use to...

Stars and galaxies on a black background.
News Feature

The largest camera ever built for astrophysics has completed the journey to Cerro Pachón in Chile, where it will soon help unlock the Universe’s...

A semi truck traveling a gravel road approaches two large telescope facilities.
News Feature

The first reflective coating was applied to Vera C. Rubin Observatory’s 8.4-meter combined primary/tertiary mirror using the observatory’s onsite coating chamber.

A large mirror reflects equipment in the background.
News Brief

Researchers have used the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe and world-leading measurements of dark energy, the...

A fan-shaped map shows a lumpy web of galaxies
Press Release

Once set in place atop a telescope in Chile, the 3,200-megapixel LSST Camera will help researchers better understand dark matter, dark energy and other...

Researchers examine the LSST Camera
News Brief

In a new study, SLAC researchers suggest a small-scale solution could be the key to solving a large-scale mystery.

Black spheres travel across a grid of blue spheres.
News Feature

Vera C. Rubin Observatory’s detailed, big-picture view of our Solar System and ability to quickly detect and track moving objects will provide a gold...

A ring of yellow dots representing surrounds the earth, which projects a green beam onto the dots.
News Feature

The latest results put the strongest constraints on the expansion of the universe ever obtained with DES supernova data.

Blanco Telescope