For only the third time since it began operating in 2008, the Large Hadron Collider (LHC) is slowly being returned to room temperature after being kept at close to -271°C, just above absolute zero.

Please note: FCC public debates (in French) in Switzerland and France Registration now open 14–18 Sep | Engineering | Rio de Janeiro, Brazil | RPC Conference | EN XVIII Conference on Resistive Plate ...

Members of the CERN community are encouraged to use reusable containers at water fountains and coffee machines. As part of CERN’s efforts to reduce waste, disposable cups were removed from water ...

One year on from the first-ever collisions of oxygen at the Large Hadron Collider (LHC), the main LHC Collaborations – ALICE, ATLAS, CMS and LHCb – have each reported signs of the state of matter ...

CERN’s science festival, Future Explorers, will celebrate exploration in all its forms. CERN invites the public to discover how curiosity, collaboration and daring help push the boundaries of ...

François Englert, a Belgian theoretical physicist, passed away on 18 June at the age of 93 in Uccle (Brussels, Belgium). With his associate, Robert Brout, he demonstrated that fundamental particles ...

During the recommissioning phase, the operations teams, together with equipment and machine-protection experts, worked around the clock to bring the Large Hadron Collider (LHC) back into operation.

In a breakthrough for antimatter research, the BASE collaboration at CERN has kept an antiproton – the antimatter counterpart of a proton – oscillating smoothly between two different quantum states ...

Event display showing nineteen charged-particle tracks (yellow lines) recorded by the ATLAS experiment during proton–oxygen collisions in July 2025. (Image: ATLAS) Tens of kilometres above Earth’s ...

Layout of a printed circuit board made using KiCad. The cornerstone of open source philosophy is that the recipients of technology should have access to all of its building blocks, such as software ...

Update: did you enjoy our April Fool’s day story? While we won’t be racing karts through the tunnel, we are gearing up for major works to prepare for HiLumi LHC and its new technologies. The image is ...

Some of the last LHC collisions recorded by the ALICE, ATLAS, CMS and LHCb experiments in 2026 (Left to right, top to bottom). (Image: CERN) In the meantime, it’s time to take stock of the three ...