A combination of four quarks is something scientists have never been able to prove exists—until now.
Newly discovered particle was predicted to exist by the Standard Model of particle physics.
Soccer (or do you say football?) players move about the field like churned-up particles.
The discovery solves a 50-year-old puzzle about the building blocks of matter.
Scientist working on CERN’s groundbreaking experiment says the particle accelerator will chart new territory.