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
VIA Symmetry Magazine

In Search of a Parallel Universe

What are parallel universes, and why do we think they might exist?

News Feature

KIPAC’s Ralf Kaehler and Tom Abel contributed two scenes to the science documentary narrated by Brad Pitt and Cate Blanchett.

News Feature

Underground experiment passes critical DOE review and prepares for startup in 2020.

News Feature

Three recent studies using data from the Fermi Gamma-ray Space Telescope have expanded the hunt for unexplained signals coming from beyond our galaxy.

News Feature

A previously detected, anomalously large X-ray signal is absent in new Hitomi satellite data, setting tighter limits for a dark matter interpretation.

News Feature
VIA Symmetry Magazine

The Contents of the Universe

How do scientists know what percentages of the universe are made up of dark matter and dark energy?

News Feature

The Dark Energy Spectroscopic Instrument will measure light from 35 million cosmic objects for new insights into what causes the universe to expand faster...

News Feature

The scientists develop methods to study neutrinos from star explosions and search for unknown particles and forces with possible ties to dark matter.

News Feature

The first website to be hosted in the US has grown to be an invaluable hub for open science.

News Feature

In its final run, the LUX experiment increased its sensitivity four-fold, but dark matter remains elusive.

News Feature

The goal: Develop high-tech coatings that make the detector’s mirrors less “noisy”.

Press Release

Before Hitomi died, it sent back X-ray data that explain how turbulent motions may prevent cooling of hot gas.