By Jacques Fichet and Corinne Pralavorio (CERN)

The accelerators that feed into the Large Hadron Collider are ready to supply more intense beams.

By Angelo Bonasia, Jerome Fleiter and Thierry Boutboul (CERN)

By Florence Thompson (CERN)

A life-sized mockup of the highly restricted region between the collision points and the tunnel at ATLAS and CMS allows engineers to test and practise handling. 

By Corinne Pralavorio (CERN)

The delivery of two huge compressors kicks off the installation of the new helium refrigerators for the High-Luminosity LHC.

By Markus Zerlauth (CERN)

The 15th HL-LHC Collaboration Meeting brought together over 300 scientists and engineers from around the globe as the High-Luminosity LHC Project moves through the production phase and is gearing up for its deployment in the LHC tunnel next year.

By Florence Thompson (CERN)

As of today, Wednesday 1^st October 2025, Markus Zerlauth is the new HL-LHC Project Leader, taking over from Oliver Brüning.

By Anna-Sarah Mezzatesta, Kacper Widuch and Jean-Frederic Fuchs (CERN)

The introduction of the HP Site Print tracing robot is a major step in modernising how tunnel floor markings are made for installation teams. 

By Oliver Boettcher (CERN)

The HL-LHC's Collider-Experiment Interface work package set students at FH Aachen a real-life engineering challenge. 

By Antonio Perin (CERN)

The objective of this operation was to validate the procedures and techniques ahead of the installation of the first 150 m of QXL, planned for October 2025.

By David Carrillo (CERN), Mirko Pojer (CERN) and Daniel Wollmann (CERN)

The full series production of the Coupling-Loss Induced Quench (CLIQ) system has now been completed and delivered to CERN.