The standard model of particle physics represents the most comprehensive theory about fundamental or subatomic particles and forces in the universe. The model describes how matter and antimatter ...

The first-known observations of matter–antimatter asymmetry in a decaying composite subatomic particle that belongs to the baryon class are reported from the LHCb experiment located at the Large ...

Proton-oxygen collisions at the LHC reveal how extreme cosmic rays trigger particle showers when they slam into Earth’s atmosphere.

How does the Higgs give mass to particles? This video explains where most of an atom’s mass comes from and how the Higgs ...

Muons are one of the key subatomic particles for discovering new physics, but tracking them after particle collisions can be difficult and prone to error. A new study ...

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Physicists may have yet another fundamental particle left to discover. When physicists at the Large Hardon Collider discovered the Higgs boson back in 2012, they’d found the last missing piece of the ...

When you push "start" on your microwave or computer, the device flips right on—but major physics experiments like the Large Hadron Collider at the European Organization for Nuclear Research, known as ...

This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. The ...

An incredibly fast-moving particle from space recently arrived on Earth, and physicists are rushing to figure out what it is and where it came from. Called the Amaterasu particle, after the Shinto ...

A signal from the decay products of a meson—a quark and an antiquark—comes from two subatomic particles and not one, as previously thought. High-energy collision experiments have helped particle ...