At 10:50 yesterday morning, scientists at the pioneering SESAME light source saw First Monochromatic Light through the XAFS/XRF spectroscopy beamline, signalling the start of the laboratory’s experimental programme.

CERN was the guest of honour at the Automnales, Geneva’s huge annual fair: ten days of encounters and exchanges with the general public.

Steven Weinberg’s iconic paper, A Model of Leptons, was published in 1967 and determined the direction for high-energy particle physics research

The LHC’s 2017 proton run has ended with record luminosity. The special runs will now take place before the winter shutdown.

CERN, the International Cancer Expert Corps (ICEC) and STFC are developing medical linear accelerators for low- and middle-income countries

We meet some of the Marie Skłodowska-Curie fellows, on the 150th anniversary of the exceptional scientist’s birth

During a seminar at CERN, Klaus von Klitzing, the 1985 Physics Nobel Laureate, explained how the definition of the kilogram will be revolutionised

CERN develops new technologies that have applications not only in particle physics experiments, but also in the aerospace industry

While 31 October may mean Halloween to some, to laboratories around the world it means Dark Matter Day

With 19 days still to go, the LHC has reached its 2017 production target, delivering more than 45 inverse femtobarns to the experiments