Understanding the universe's building blocks, the Standard Model categorizes particles and explains forces, yet leaves ...

The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

What do quarks, electrons, and photons have in common? They’re all part of the Standard Model - the theory that helped ...

It's often said in science that extraordinary claims require extraordinary evidence. Recent measurements of the mass of the elementary particle known as the W boson provide a useful case study as to ...

Superstring theory is not entirely beyond the reach of observation. It predicts a large negative cosmological constant and astronomers are pretty certain that the value is small positive. That's one ...

Particles known as tensor mesons are created when high-energy photons interact. These mesons have now been proposed to have a larger effect on photon behavior than previously thought, and provide a ...

The CMS collaboration analysed Higgs-boson decays to two photons, setting limits on anomalous couplings that would violate CP ...

This week, this enormous scientific facility, ten years in the making, will begin its hunt for the most elusive particles in ...