The Slovenian flag was raised today at a ceremony held at CERN to mark the country’s accession as CERN’s 25th Member State

The Large Hadron Collider gets a breath of fresh air as it collides beams of protons and oxygen ions for the very first time. Oxygen–oxygen and neon–neon collisions are also on the menu of the next few days

Discussions this week at the Open Symposium of the European Strategy for Particle Physics demonstrate strong progress towards ensuring that CERN remains a world leader in collider physics and technology

On 21 June 2025, Slovenia became a Member State of CERN

The OpenWebSearch.eu consortium, which includes CERN, has released a pilot of the first federated, pan-European Open Web Index, paving the way for a new generation of unbiased and ethical search engines

The CMS collaboration presents a new search for the decay of a Higgs boson into charm quarks, bringing physicists closer to unravelling how this unique particle endows matter with mass

On 16 May 2025, CERN Director-General Fabiola Gianotti and Minister of Science, Technology, Knowledge and Innovation of Chile, Aisén Etcheverry signed an agreement admitting Chile as an Associate Member State of CERN

On 8 May 2025, CERN Director-General Fabiola Gianotti and Irish Minister for Further and Higher Education, Research, Innovation and Science James Lawless signed an agreement admitting Ireland as an Associate Member State of CERN

Near-miss collisions between high-energy lead nuclei at the LHC generate intense electromagnetic fields that can knock out protons and transform lead into fleeting quantities of gold nuclei

Substantial contributions to the 2026 update of the European Strategy for Particle Physics set the stage for discussions that will define the next flagship collider at CERN