Read article 'The kaon stays on script'
The kaon stays on script
Fewer than one in 10 billion charged kaons decay to a pion and a neutrino-antineutrino pair. NA62 has now measured this rate with 40% smaller uncertainty than before.
Read article 'The kaon stays on script'
Read article 'On the hunt for cosmic clocks'
On the hunt for cosmic clocks
A deep survey with the Green Bank Telescope has now delivered a stringent non-detection of the expected pulsar population in the galactic centre, along with an intriguing millisecond pulsar candidate.
Read article 'A sharper probe of a rare Bs decay'
A sharper probe of a rare Bs decay
The CMS collaboration has measured the branching fraction of a rare Bs decay as a function of the dimuon invariant mass squared.
Read article 'Jets boost nuclear coalescence'
Jets boost nuclear coalescence
The ALICE collaboration reported the first measurement of deuteron production in and out of jets in p–Pb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV.
Read article 'Two new CP tests for Higgs couplings'
Two new CP tests for Higgs couplings
The ATLAS collaboration reported the results of two new analyses that probe the CP properties of Higgs-boson interactions with electroweak gauge bosons.
Read article 'An upgraded take on CP violation'
An upgraded take on CP violation
The LHCb collaboration has announced its first Run 3 measurement of the CKM angle γ, a key parameter describing CP violation in the quark sector.
Read article 'Mark Alastair Rayner 1983–2026'
Mark Alastair Rayner 1983–2026
Mark Rayner, editor of CERN Courier, passed away on 23 March. His love of physics, talent for communication and editorial rigour raised the bar for this magazine.
Read article 'Jan Żylicz 1932–2026'
Jan Żylicz 1932–2026
Jan Żylicz, an outstanding nuclear physicist, passed away in Warsaw on 16 February 2026.
Read article 'Roger Barlow 1951–2026'
Roger Barlow 1951–2026
Roger Barlow passed away suddenly on 1 February 2026 at his home in Wales. He had an illustrious career in particle physics and, latterly, also in accelerator physics.
Read article 'Michael Wohlmuther 1975–2025'
Michael Wohlmuther 1975–2025
Michael Wohlmuther, an internationally recognised expert on spallation physics and technologies, tragically passed away on 30 October 2025 in Lund, Sweden, at the age of 50.
