Spot the dot Little red dots appear in every pointing of the JWST imaging camera NIRCam. Credit: UNCOVER (PIs: I Labbe and R Bezanson) Every new instrument needs its mysteries, and no discovery of the ...

After a moment of turbulence, Norbert Holtkamp returns to Fermilab with a clear mandate: deliver DUNE, honour the laboratory’s legacy of bold leadership and reaffirm big science’s responsibility to ...

Astrophysical constraints stake out 90 orders of magnitude for the mass of dark-matter particles. Clara Murgui surveys this vast terrain before zooming in on a particularly interesting region of ...

What is the fate of the universe? Why is there more matter than antimatter? What lurks beyond the Standard Model? Valentina Cairo and Steven Lowette explore the physics reach of the High-Luminosity ...

Gianluigi Arduini, Philip Burrows and Jacqueline Keintzel report on the findings of a working group mandated to compare seven proposals for CERN’s next large-scale collider. The view from Le Reculet ...

In lead collisions at the LHC, some of the strongest electromagnetic fields in the universe bombard the inside of the beam pipe with radioactive gold. By following the collision fragments, John Jowett ...

Mature design The CEPC Study Group has published a technical design report for its reference detector. Credit: CEPC Study Group 2025 arXiv:2510.05260 In October, the Circular Electron–Positron ...

Square peg in a round hole Independent checks by the MEG II (left) and PADME (right) experiments report conflicting early indications on the true nature of the ATOMKI anomaly. Credit: INFN Almost a ...

With the story of quarkonia entering its final chapter, John Ellis shares personal recollections of five decades of discoveries and debates about the simplest composite object in QCD, whose history is ...

Orthodox quantum mechanics is empirically flawless, but founded on an awkward interface between quantum systems and classical probes. In this feature, Carlo Rovelli – himself the originator of the ...

Laser calibration Technical improvements by Fermilab’s Muon g-2 collaboration achieved a systematic uncertainty of 78 ppb on quantum corrections to the magnetic moment of the muon. Credit: R Hahn ...

David Wallace argues for the ‘decoherent view’ of quantum mechanics, where at the fundamental level there is neither probability nor wavefunction collapse – and for its purest incarnation, the ...