For a trillionth of a second, lead became gold in CERN’s collider. The fleeting transformation may shape the future of ...

Baryons are subatomic particles made up of an odd number of quarks. Protons and neutrons found at the center of atoms are a ...

CERN physicists observed matter-antimatter imbalance in a baryon. Antiparticles possess the same mass as matter but opposite charge. The Big Bang should have created equal matter and antimatter.