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Rare Particle Discovery Dims Hopes for Exotic Theories

Physicists have measured an extremely rare particle decay inside the world's largest atom smasher — a discovery that bolsters the leading model of particle physics and leaves little room for undiscovered particles beyond this theory. Full story

Atom Smashers Find Something Not So Charm-ing

The new generation of atom smashers such as the Large Hadron Collider is offering hints that new physics (and exotic new particles) await discovery. And scientists are just reaching the point where they can explore those alternatives. Full story

World's largest atom smasher now faster

The Large Hadron Collider is working more efficiently, physicists announced Monday, with more particles than ever before crammed into the particle accelerator's beams. Full story

Atom smasher won't destroy Earth: court

A woman concerned that the Large Hadron Collider (LHC) will create black holes and destroy the Earth lost a court appeal to shut the atom smasher down on Tuesday. Full story

The Elusive Particle: 5 Implications of Finding Higgs

Physicists at the world's largest atom smasher announced today (July 4) that they are more than 99 percent sure they've found a new, and heavy, boson particle, that may be the Higgs boson. Full story

Physicists Get Closer Than Ever to Higgs Particle

American scientists have found strong hints that the rumored Higgs boson particle exists, and has been created inside an atom smasher in Illinois. Full story

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Articles

Excitement Builds Over Expected Higgs Boson Announcement

New 'Beauty Baryon' Particle Discovered at World's Largest Atom Smasher

Energy level at big bang machine turned up

Atom Smasher Collides Particles at Record Energies

Atom smasher hits highest energy levels yet

Are there Higgs bosons in space?

Atom Smasher's Higgs Particle Findings: Physicists React

'UFOs' Disrupting Search for 'God Particle'

Search for Elusive Higgs Boson Particle on Hold Until 2012

U.S. team escalates subatomic particle hunt

Related Photos

The LHC tunnel is pictured during a visit at the CERN in Meyrin, near Geneva
The LHC tunnel is pictured during a visit at the CERN in Meyrin, near Geneva

The LHC tunnel is pictured during a visit at the Organization for Nuclear Research in Meyrin, near Geneva April 10, 2013. REUTERS/Denis Balibouse

CERN staff speak in the LHC tunnel during a visit at the CERN in Meyrin, near Geneva
CERN staff speak in the LHC tunnel during a visit at the CERN in Meyrin, near Geneva

CERN staff speak in the LHC tunnel during a visit at the Organization for Nuclear Research in Meyrin, near Geneva April 10, 2013. REUTERS/Denis Balibouse

A technician cycles in the LHC at the CERN in Cessy
A technician cycles in the LHC at the CERN in Cessy

A technician cycles in the Large Hadron Collider at the Organization for Nuclear Research in the French village of Cessy near Geneva in Switzerland April 15, 2013. As hundreds of engineers and workers start two years of work to fit out the giant LHC particle collider to reach deep into unknown re

A view of equipment in the LHC tunnel during a visit at CERN in Meyrin, near Geneva
A view of equipment in the LHC tunnel during a visit at CERN in Meyrin, near Geneva

A view of equipment in the LHC tunnel during a visit at the Organization for Nuclear Research in Meyrin, near Geneva April 10, 2013. As hundreds of engineers and workers start two years of work to fit out the giant LHC particle collider to reach deep into unknown realms of nature, CERN physicists

Simon Baird, deputy head of CERN's engineering department, poses in the LHC tunnel during a visit at the CERN in Meyrin, near Geneva
Simon Baird, deputy head of CERN's engineering department, poses in the LHC tunnel during a visit at the CERN in Meyrin, near Geneva

Simon Baird, deputy head of CERN's engineering department, poses in the LHC tunnel during a visit at the Organization for Nuclear Research in Meyrin, near Geneva April 10, 2013. As hundreds of engineers and workers start two years of work to fit out the giant LHC particle collider to reach deep int