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Looking for inconsistencies in the fine structure constant

Scientists in China celebrate the completion of the underground JUNO neutrino observatory

The observatory has also released its first results on the so-called solar neutrino tension

Accelerator experiment sheds light on missing blazar radiation

Measurement discounts loss from plasma instabilities

Particle and nuclear news

General Fusion lays off staff due to ‘unexpected and urgent financing constraints’

CERN releases plans for the ‘most extraordinary instrument ever built’

China’s Experimental Advanced Superconducting Tokamak smashes fusion confinement record

Research headlines

Sympathetic cooling gives antihydrogen experiment a boost

Having more antimatter could help solve profound mysteries of physics

Rapidly spinning black holes put new limit on ultralight bosons

Gravitational waves confirm predictions of Einstein and Kerr

Artist’s impression of the merger of two black holes

Portable source could produce high-energy muon beams

Research could lead to ultracompact muon sources for applications such as tomography

Berkeley Laboratory Laser Accelerator (BeLLA) Center and researchers

Hints of a boundary between phases of nuclear matter found at RHIC

STAR collaboration homes in on critical point for quark–gluon plasma

Radioactive BEC could form a ‘superradiant neutrino laser’

Physicists plan to test idea in the lab

Graphic illustrating the condensation of atoms

Cosmic muons monitor river sediments surrounding Shanghai tunnel

Real-time system also detects ebb and flow of tides

Physics World Particle & Nuclear Briefing

From the Higgs boson at CERN to nuclear reactions inside stars, who doesn’t love particle and nuclear physics? There’s so much exciting work going on in both fields, which is why we’re bringing you this new free-to-read digital issue of the Physics World Particle & Nuclear Briefing.

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Is Donald Trump conducting a ‘blitzkrieg’ on science?

The US High Energy Physics Advisory Panel has been dissolved for reasons of politics, not efficiency, says Robert P Crease

Artist’s impression of charged particle tracks streaming from a collision of two uranium nuclei overlaid on a sketch of the STAR detector at RHIC

**Jesper Grimstrup’s The Ant Mill: could his anti-string-theory rant do string theorists a favour?**

Robert P Crease examines a new example of “rant lit” from Danish theorist Jesper Grimstrup

Illustration of black ants marching in a line with one, red ant going the other way

Discovery of the Higgs boson at CERN inspires new stained-glass artwork

The piece is currently on display at the National Museum of Stained Glass in Switzerland

The pros and cons of reinforcement learning in physical science

David Silver of Google DeepMind thinks AIs that ‘learn by experience’ are the future of AI – but maybe not in particle colliders or nuclear arsenals

Photo of David Silver standing in front of a podium. He's dressed informally, in a black t-shirt and hoodie

Relive the two decades when physicists basked in the afterglow of the Standard Model

Robert P Crease previews the 4th International Symposium on the History of Particle Physics

Top quarks embrace in quasi-bound toponium

Observation provides new insights into the heaviest subatomic particle

Making molecules with superheavy elements could shake up the periodic table

New atom-by-atom technique demonstrated for the first time with nobelium might ensure that elements at the bottom of the table are grouped correctly

A rainbow-coloured row of blocks labelled with the names of the actinide series of chemical elements. Ball-and-stick models of water molecules rain down around them.

Electrochemical loading boosts deuterium fusion in a palladium target

Benchtop accelerator links electrochemistry to fusion science

Physicists discover a new proton magic number

Measurements could improve our understanding of the strong nuclear force and the formation of elements

Illustration of the mirror nuclei oxygen-22 and silicon-22 on weighing scales. Both nuclei contain a greyish "core" labelled oxygen-16. In oxygen-22, this core is surrounded by a thin blue shell containing an additional six blue neutrons. In silicon-22, the core is surrounded by a thicker red shell containing an additional six red protons.

Elusive scattering of antineutrinos from nuclei spotted using small detector

Interaction could lead to experiments that challenge the Standard Model

Illustration showing the position and size of the CONUS+ detector

Tritium and helium targets shed light on three-nucleon interactions

Study of small nuclei could help us understand neutron stars

Photo of Experimental Hall A at Jefferson Lab

Global ocean simulations examine tritium release from Fukushima

Model reveals that tritium in treated water discharged from the Fukushima Daiichi reactor has negligible impact on tritium concentration in the ocean

Modelled tritium concentration in seawater

Quantum control of individual antiprotons puts the Standard Model to the test

Experiment could help reveal why there is so little antimatter in the universe

Photo of a physicist working at the BASE experiment

Exographer: a scientific odyssey in pixel form

Andrew Glester reviews the computer game Exographer developed by SciFunGames

Screenshot from a pixel-art computer game puzzle based on particle physics

Lee Packer: ‘There’s no fundamental physical reason why fusion energy won’t work’

Lee Packer delivered the Cockcroft Walton lecture series across three institutions in India earlier this year

CP violation in baryons is seen for the first time at CERN

LHCb result is consistent with the Standard Model, but could provide a path to new physics

Illustration of how CP violation was detected by LHCb

High-quality muon beam holds promise for future collider

Record-breaking 100 keV beam could enable next-generation experiments

Muon g-2 achieves record precision, but theoretical tensions remain

Any discovery of new physics is on hold, at least for now

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Particle and nuclear | Conference FIA 2026 Annual Policy Conference 18—19 March 2026 | Washington, DC, US
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Particle and nuclear | Conference 12th International Conference on Clustering Aspects of Nuclear Structure and Dynamics 8—12 June 2026 | London, UK

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