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
At the 52nd Rencontres de Moriond conference CERN collaborations presented many new results, including their first ones with the full 13 TeV dataset
CMS high-luminosity LHC upgrade requires new silicon sensors, to better distinguish between particles from multiple collisions
What happens when protons in cosmic rays collide with helium nuclei? The LHCb experiment is on the case
In what is an exceptional observation, the LHCb experiment at CERN has discovered a new system of five particles in a single analysis
See in images how the “heart” of the CMS detector, its Pixel Tracker, was replaced
At the beginning of March, the CMS collaboration installed an important part of its detector: its second-generation Pixel Tracker
Dave Charlton passes the baton to new ATLAS Spokesperson Karl Jakobs
ATLAS PhD students publish dozens of outstanding theses every year. Since 2010, a few have been celebrated at the annual ATLAS Thesis Awards.
This week the CMS collaboration is replacing the heart of its detector: its tracking system
The CMS detector’s tracking system, which determines the trajectories of charged particles, is being replaced this week at Point 5
The ATLAS PhD Grant gives students an opportunity to benefit from world-class research, supervision and training within the ATLAS collaboration
ATLAS measurements show proton has more strange quarks than previously thought