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.

A biomedical breakthrough reveals never-before-seen details of the human body’s cellular switchboard that regulates sensory and hormonal responses.

Explore the elementary particles that make up our universe.

The  ATLAS and CMS experiments at the LHC see something mysterious, but it’s too soon to pop the Champagne.

In separate studies, researchers at Stanford and the University of Wisconsin-Madison report advances on chemical reactions essential to fuel-cell technology.

What are WIMPs, and what makes them such popular dark matter candidates?