Announcement – Page 2 – Home

Register for the 2026 CERN Relay Race!

24 March 2026

The CERN Relay Race, organised by the Running Club and the Staff Association, will be back on Thursday, 7 May for its 54th edition. This now legendary race – the first edition took place in 1971 – returns with the same ingredients as in past years, which led to record numbers of participants in 2025:

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30 March – 2 April | Closure of Meyrin inter-site tunnel

23 March 2026

Due to civil engineering works, the Meyrin inter-site tunnel will be exceptionally closed to traffic from Monday 30 March to Thursday 2 April inclusive. Thanks for your understanding.

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Cutting emissions, powering science

12 March 2026

Discover CERN’s new F-gas e-learning and practical guidance webpages

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Support for the CERN Community during difficult times

12 March 2026

The current geopolitical situation can be unsettling. Ongoing conflicts – whether in Ukraine, the Middle East, or elsewhere in the world – can trigger a wide range of emotions, such as stress, anxiety, sadness, or uncertainty. We want to remind you that support is available for everyone in the CERN community It’s natural to feel

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From 10 March: work under way in the Greinacher car park

12 March 2026

85 parking spaces will be unavailable while a new rainwater retention basin is constructed

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The March/April 2026 issue of the CERN Courier is out

12 March 2026

A hadron collider’s energy reach is defined by the circumference of its tunnel and the strength of its dipole magnets. Next-generation hadron colliders look set to have tunnels more than three times longer than the LHC. Further expansion of the energy frontier depends on the ability of accelerator physicists to increase the strength of the

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