Astrophysics and cosmology

With two SLAC researchers in the lead, an analysis of the enigmatic Fermi bubbles has narrowed down the number of possibilities for their origin, but hasn't completely solved the puzzle.

Step on a scale and you’ll get a quick measure of your weight. Weighing galaxy clusters, groups of hundreds or thousands of galaxies bound together by gravity, isn’t so easy. But scientists have many ways to do it.

Efforts are already underway to ensure that the data the Large Synoptic Survey Telescope  collects will be ready to be mined for scientific gold.

Students estimate their way through pop culture problems to learn a life skill.

Differences between two types of black-hole-powered galaxies may reflect a change in how the galaxies extract energy from their central black holes.

The Particle Physics Project Prioritization Panel’s report, released today, recommends a strategic path forward for US particle physics.

The Particle Physics Project Prioritization Panel’s recommendations will set the course for the future of particle physics in the United States.

When the Large Hadron Collider restarts, it will be an even more powerful dark-matter-hunting machine.

The Planck mission released a first glimpse of data that, later this year, will test BICEP2’s discovery of gravitational waves.

About 550 visitors from all over the Bay Area came to explore a wide range of the institute’s cosmic research topics.

In a few years, scientists will come out with a new map of a third of the sky, one that will go deeper and bring that depth into sharper focus than any survey has yet achieved.

An engineer at SLAC laboratory constructed a full-scale model of the Large Synoptic Survey Telescope's cryostat in his spare time.