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CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works.

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[CERN Accelerating science](//home.cern "CERN")

===============================================

*   *   [Sign in](https://home.cern/user/login?destination=)

*   [Directory](//cern.ch/directory "Search CERN resources and browse the directory")

 **Particles are back in the accelerators**

The four accelerators that feed into the Large Hadron Collider have all been restarted

[Learn more →](https://cern.ch/highlight-accelerators)

 **First HL-LHC beam screen completed at CERN**

The new beam screens will have tungsten-alloy shielding and an amorphous carbon coating on the inside

[Read more →](https://cern.ch/highlight-updates)

 **Half a million visitors to Science Gateway**

The Laboratory’s education and outreach centre has been a must-visit for tourists to Geneva, Switzerland

[Plan your visit →](https://cern.ch/highlight-announcements)

Latest News

===========

[](/news/news/accelerators/particles-are-back-accelerators)

### [Particles are back in the accelerators](/news/news/accelerators/particles-are-back-accelerators "Particles are back in the accelerators")

Accelerators

News

14 March, 2025

[](/news/news/knowledge-sharing/silver-coin-cern)

### [A silver coin for CERN](/news/news/knowledge-sharing/silver-coin-cern "A silver coin for CERN")

Knowledge sharing

News

13 March, 2025

[](/news/news/knowledge-sharing/arts-cern-collaborates-tabakalera-and-dipc-exhibition-quantum-visions)

### [Arts at CERN collaborates with Tabakalera and...](/news/news/knowledge-sharing/arts-cern-collaborates-tabakalera-and-dipc-exhibition-quantum-visions "Arts at CERN collaborates with Tabakalera and DIPC on the exhibition “Quantum Visions”")

Knowledge sharing

News

10 March, 2025

[](/news/news/cern/cern-invites-photographers-explore-colliders-future)

### [CERN invites photographers to explore the col...](/news/news/cern/cern-invites-photographers-explore-colliders-future "CERN invites photographers to explore the colliders of the future")

At CERN

News

26 February, 2025

[](/news/news/computing/international-geneva-celebrates-international-year-quantum)

### [International Geneva celebrates the Internati...](/news/news/computing/international-geneva-celebrates-international-year-quantum "International Geneva celebrates the International Year of Quantum")

Computing

News

25 February, 2025

[](/news/news/accelerators/curved-magnet-much-potential)

### [A curved magnet with much potential](/news/news/accelerators/curved-magnet-much-potential "A curved magnet with much potential")

Accelerators

News

24 February, 2025

[](/news/news/experiments/optical-fibre-link-make-cern-more-time-ever)

### [Optical fibre link to make CERN more on time ...](/news/news/experiments/optical-fibre-link-make-cern-more-time-ever "Optical fibre link to make CERN more on time than ever")

Experiments

News

21 February, 2025

[](/news/news/physics/bestiary-exotic-hadrons)

### [A bestiary of exotic hadrons](/news/news/physics/bestiary-exotic-hadrons "A bestiary of exotic hadrons")

Physics

News

20 February, 2025

[](/news/news/physics/observing-triplets-weak-bosons)

### [Observing triplets of weak bosons](/news/news/physics/observing-triplets-weak-bosons "Observing triplets of weak bosons")

Physics

News

19 February, 2025

[View all news](/news)

     **What is the nature of our Universe?  

What is it made of?**

     **Scientists from around the world  

come to CERN …**

   **… to use unique machines to answer  

         fundamental questions …**

      **… pushing the limits of technology  

         for the benefit of society.**

Explore CERN

============

[](https://visit.cern)

### [Plan your CERN visit](https://visit.cern "Plan your CERN visit")

[](/science/accelerators/accelerator-complex/panoramas)

video

image

### [Take an immersive tour of CERN's accelerators](/science/accelerators/accelerator-complex/panoramas "Take an immersive tour of CERN's accelerators")

[](https://educational-resources.web.cern.ch)

### [Explore CERN's educational resources](https://educational-resources.web.cern.ch "Explore CERN's educational resources")

[](/about/what-we-do/environmentally-responsible-research)

### [CERN and the environment](/about/what-we-do/environmentally-responsible-research "CERN and the environment")

[](/about/what-we-do/our-impact)

### [Technology from CERN to society](/about/what-we-do/our-impact "Technology from CERN to society")

Upcoming events

===============

Monday

17 Mar/25

11:00 - 12:00 (Europe/Zurich)  

### [Visit point training: Data Centre](/events/visit-point-training-data-centre-0 "Visit point training: Data Centre")

Event

CERN

[](https://indico.cern.ch/export/event/1504898.ics)

Monday

17 Mar/25

11:00 - 12:30 (Europe/Zurich)  

### [Lab workshop training BASIC (includes Seeing the Invisible workshop...](/events/lab-workshop-training-basic-includes-seeing-invisible-workshop "Lab workshop training BASIC (includes Seeing the Invisible workshop)")

Event

Meet outside CERN Science Gateway Reception

[](https://indico.cern.ch/export/event/1513535.ics)

Monday

17 Mar/25

13:00 - 15:00 (Europe/Zurich)  

### [Science Gateway exhibitions training](/events/science-gateway-exhibitions-training-2 "Science Gateway exhibitions training")

Event

Meet at the Guides space (bdg 86)

[](https://indico.cern.ch/export/event/1507944.ics)

Monday

17 Mar/25

13:30 - 15:30 (Europe/Zurich)  

### [Lab workshop training: Electron Beams](/events/lab-workshop-training-electron-beams "Lab workshop training: Electron Beams")

Event

Meet outside Science Gateway Reception

[](https://indico.cern.ch/export/event/1513526.ics)

Monday

17 Mar/25

16:00 - 16:20 (Europe/Zurich)  

### [Visit point training: \*\*short training AVC\*\*](/events/visit-point-training-short-training-avc "Visit point training: **short training AVC**")

Event

CERN

[](https://indico.cern.ch/export/event/1511106.ics)

Tuesday

18 Mar/25

14:00 - 16:00 (Europe/Zurich)  

### [Talk by Mark Mezei](/events/talk-mark-mezei "Talk by Mark Mezei")

Event

CERN

[](https://indico.cern.ch/export/event/1493005.ics)

Tuesday

18 Mar/25

16:00 - 18:00 (Europe/Zurich)  

### [Mattia Bruno](/events/mattia-bruno "Mattia Bruno")

Event

CERN

[](https://indico.cern.ch/export/event/1458275.ics)

Tuesday

18 Mar/25

16:00 - 17:00 (Europe/Zurich)  

### [A New Beam Intensity Monitor for the CERN Experimental Areas](/events/new-beam-intensity-monitor-cern-experimental-areas "A New Beam Intensity Monitor for the CERN Experimental Areas")

Event

CERN

[](https://indico.cern.ch/export/event/1523262.ics)

Wednesday

19 Mar/25

08:30 (Europe/Zurich)  

**ENDS:** **21 Mar/25 20:05**

### [CS3 2025 - Cloud Storage Synchronization and Sharing](/events/cs3-2025-cloud-storage-synchronization-and-sharing "CS3 2025 - Cloud Storage Synchronization and Sharing")

Event

LMU

[](https://indico.cern.ch/export/event/1467643.ics)

[View all events](/events)

Key Achievements

================

[](/science/physics/higgs-boson)

### [The Higgs boson](/science/physics/higgs-boson "The Higgs boson")

[](/science/accelerators/large-hadron-collider)

### [The Large Hadron Collider](/science/accelerators/large-hadron-collider "The Large Hadron Collider")

[](/science/physics/antimatter)

### [Antimatter](/science/physics/antimatter "Antimatter")

[](/science/computing/birth-web)

### [The birth of the Web](/science/computing/birth-web "The birth of the Web")

[](/science/physics/w-boson-sunshine-and-stardust)

### [W boson](/science/physics/w-boson-sunshine-and-stardust "W boson")

[](/science/physics/z-boson)

### [Z boson](/science/physics/z-boson "Z boson")