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 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
News Feature

Margaux Lopez is helping prepare the Vera Rubin Observatory for the arrival of the largest digital camera ever built for astrophysics and cosmology.

Margaux Lopez in front of a telescope building.
News Feature

A new report outlines suggestions for federal investments needed for the next generation of transformative discoveries in particle physics and cosmology, including priority projects...

A web of dark matter, in which galaxies are forming.
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.
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.
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

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

Illustration of Earth and galaxies with icons representing telescopes.