Is it possible that these fundamental building blocks of atoms have a finite lifetime?

The Higgs doesn’t quite fit in with the other particles of the Standard Model of particle physics.

The CMS and ATLAS experiments combined forces to more precisely measure properties of the Higgs boson.

Theorists from the Institute for Advanced Study have proposed a way forward in the quest to test string theory.

Exploding stars have an immense capacity to destroy—and create.

How can we figure out when the universe began?

Why are there three almost identical copies of each particle of matter?

Observations of this kind could lead scientists to the source of ultra-high-energy cosmic rays.

Physicists discovered one type of Higgs boson in 2012. Now they’re looking for more.

Our universe could be just one small piece of a bubbling multiverse.

A researcher interviewed SLAC and Stanford administrators, scientists and Nobel laureates and sifted through archival materials to better understand the drivers for change in SLAC’s science mission.

Explore the elementary particles that make up our universe.