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
Vivek Nallur, assistant professor at University College Dublin, discussed aspects such as implicit bias during his talk at CERN
75 000 visitors participated in hundreds of open house activities thanks to the commitment of nearly 3000 volunteers and many CERN services
The CMS muon system is being upgraded to help track muons with ever-higher precision
Using the CERN e-mail service gives you some flexibility, but some current practices can have severe implications for password secrecy and the confidentiality of certain documents sent by e-mail
75 000 visitors discovered hundreds of activities on nine CERN sites over the weekend
Registration for the 2020 session of the Joint Universities Accelerator School (JUAS) is now open
Registration for the 2020 session of the European School of Instrumentation in Particle and Astroparticle Physics (ESIPAP) is now open
A new seismic device developed by CERN and JINR is now being tested at the Advanced Virgo detector
The first definitive component of the High-Luminosity LHC, an absorber designed to protect the machine, has been installed in the LHC
Essential information for the CERN community, from showcasing the Lab as a volunteer to site access and road closures
Over 980 members of the CERN personnel took part in Bike2Work in 2019
The assembly of the new muon small wheels and the upgrades on the electronics and trigger systems are progressing well