At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments.
Know more
Who we are
Our Mission
Our Governance
Our Member States
Our History
Our People
What we do
Fundamental research
Contribute to society
Environmentally responsible research
Bring nations together
Inspire and educate
Fast facts and FAQs
Key Achievements
Key achievements submenu
The Higgs Boson
The W boson
The Z boson
The Large Hadron Collider
The Birth of the web
Antimatter
News
Accelerators
At CERN
Computing
Engineering
Experiments
Knowledge sharing
Physics
Events
CERN Community
News and announcements
Official communications
Scientists
Press Room
Press Room submenu
Media News
Resources
Contact
The research programme at CERN covers topics from kaons to cosmic rays, and from the Standard Model to supersymmetry
Dark matter
The early universe
The Higgs boson
The Standard Model
+ More
CERN's accelerators
The Antiproton Decelerator
High-Luminosity LHC
Accelerating: radiofrequency cavities
Steering and focusing: magnets and superconductivity
Circulating: ultra-high vacuum
Cooling: cryogenic systems
Powering: energy at CERN
The CERN Data Centre
The Worldwide LHC Computing Grid
CERN openlab
Open source for open science
The birth of the web
ALICE
ATLAS
CMS
LHCb
By Topic
By format
360 image
Annual report
Brochure
Bulletin
Courier
Image
Video
By audience
CERN community
Educators
General public
Industry
Media
Students
CMS is taking its first steps in making up to half of its data accessible to the public
Former ATLAS Experiment spokesperson, Fabiola Gianotti, is among the 26 scientists appointed to the UN Secretary-General’s Scientific Advisory Board
There's more to CERN than the Large Hadron Collider. Check out what some of the non-LHC experiments have been getting up to this year
The AMS-02 experiment on the International Space Station is performing a long-duration study of cosmic nuclei
The CLOUD experiment reports a major advance towards solving a long-standing enigma in climate science: how do aerosols form in the atmosphere?
The CERN CLOUD experiment has just made a major step forward in the understanding of a critical aspect of our climate
The LHC’s first long shutdown has provided the opportunity for a major programme of consolidation and improvements on the ATLAS detector
A new system for tracking visitors to CERN’s underground sites has been successfully tested by CMS and is ready for use at all targeted locations
Engineers have repaired and reinstalled a part of the CMS detector crucial for identifying muons. Watch them at work