A joint Fermilab/SLAC publication

European Organization for Nuclear Research

Photo: CCC restart

Something goes bump in the data

The CMS and ATLAS experiments at the LHC see something mysterious, but it’s too soon to pop the Champagne.

Image: Pentaquark

LHC physicists discover five-quark particle

Pentaquarks are no longer just a theory.

Photo: 13 TeV applause

LHC arrives at the next energy frontier

Data collection has officially begun at the Large Hadron Collider.

Photo: 13 TeV screens

LHC achieves record-energy collisions

The Large Hadron Collider broke its own record again in 13-trillion-electronvolt test collisions.

Photo: CMS and LHCb 2

LHC experiments first to observe rare process

A joint result from the CMS and LHCb experiments precludes or limits several theories of new particles or forces.

Photo: Lonely chairs

Lonely chairs at CERN

Over the past year, the “Lonely Chairs at CERN” photography blog has let the chairs do the talking.

image: icarus

Italian neutrino experiment to move to the US

The world’s largest liquid-argon neutrino detector will help with the search for sterile neutrinos at Fermilab. 

Photo: AMS on spaceship

AMS results create cosmic ray puzzle

New results from the Alpha Magnetic Spectrometer experiment defy our current understanding of cosmic rays.

Image: LHC restart

LHC breaks energy record

The Large Hadron Collider has beaten its own world record for accelerating particles.

image: lhc - us scientists celebrate restart of the lhc

LHC sees first beams

The Large Hadron Collider has circulated the first protons, ending a two-year shutdown.