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.
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The research programme at CERN covers topics from kaons to cosmic rays, and from the Standard Model to supersymmetry
Dark matter
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CERN's accelerators
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Find out how we can all help to improve CERN’s energy performance
Contribute to this essential act of solidarity that benefits us all
Watch this new video from the HSE department on how you can help make CERN a safer place to work
The importance of ventilation for optimal health and well-being
New biodiversity signage pops up around the sites
CERN sets its annual and longer-term occupational health, safety and environment objectives
CERN implements an Organization-wide heatwave action plan
A guide to ticks, risks and prevention, to help you enjoy the great outdoors safely
What do traffic, data centres, cooling towers, construction work, electric transformers and LHC compressors have in common? They all make for a noisy working environment