15–19 September | CERN Mobility Week 2025: Let’s move smarter, together!

CERN’s first Mobility Week will take place from 15 to 19 September 2025. For five days, the CERN community is invited to rethink the way we commute and move around our sites

Announcement
At CERN
04 September, 2025
At CERN
Announcement
04 September, 2025

Temporary closure of the carpark next to Building 55

The carpark next to Building 55 will be closed from 7 September 2025 to 29 May 2026

Announcement
At CERN
04 September, 2025
At CERN
Announcement
04 September, 2025

Access card at CERN: rules and good practice

Your access card is personal and plays a key role in ensuring collective security at CERN

Official news
At CERN
04 September, 2025
At CERN
Official news
04 September, 2025

Accelerator Report: The accelerator complex, between precision repairs and future-facing studies

The past weeks brought a mix of hands-on interventions and forward-looking studies across the CERN accelerator complex, while the LHC continued to catch up with the forecast luminosity curve

News
Accelerators
03 September, 2025
Accelerators
News
03 September, 2025

Computer Security: Block ads, stay clean

The main ways to get your computer infected these days are clicking on the wrong link, accessing the wrong website and/or installing the wrong software...

News
Computing
03 September, 2025
Computing
News
03 September, 2025

ISOLDE investigates island of inversion

An experiment carried out at CERN’s ISOLDE facility has determined the western shore of a small island of atomic nuclei, where conventional nuclear rules break down

News
Physics
02 September, 2025
Physics
News
02 September, 2025

Upcoming events

Check out this curated list of upcoming events for the CERN community

Announcement
At CERN
01 September, 2025
At CERN
Announcement
01 September, 2025

Michele Arneodo (1959–2025)

Obituary
Experiments
29 August, 2025
Experiments
Obituary
29 August, 2025

Towards new physics with bent crystals

Double crystal channelling was observed for the first time at the LHC, a milestone for future short-lived particle research

News
Experiments
29 August, 2025
Experiments
News
29 August, 2025

Students step up to the I.FAST innovation challenge

International participants of the fourth I.FAST Challenge Based Innovation event were praised for their innovative proposals to find novel medical solutions using particle accelerator technology

News
Knowledge sharing
27 August, 2025
Knowledge sharing
News
27 August, 2025
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