Physics News

Physicists Find Evidence for ‘Third’ Type of Magnetism

Establishment of altermagnetic crystal and magnetic structure in Co1/4TaSe2. Image credit: Sprague et al., doi: 10.1038/s41467-026-76784-x.
Oct 5, 2026 by News Staff

In ferromagnets, like a refrigerator magnet, atomic spins line up in the same direction. In antiferromagnets, neighboring spins point in opposite directions and cancel each other out. Now physicists reports experimental evidence for a material that blends features of both: a cobalt-intercalated tantalum diselenide (Co1/4TaSe2) that appears to be an altermagnet. Establishment of altermagnetic crystal and magnetic structure in Co1/4TaSe2. Image credit:...

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Event display of a candidate Higgs boson decay to a photon and a lepton pair, from proton-proton collisions recorded with the ATLAS detector in 2022. Image credit: ATLAS Collaboration / CERN.

CERN Physicists Find Evidence of One of Higgs Boson’s Rarest Decays

Sep 16, 2026 by Enrico de Lazaro

Physicists from the ATLAS Collaboration at CERN’s Large Hadron Collider (LHC) have found evidence of the Higgs boson decaying into a ‘virtual’ photon...

In 2012, physicists from the ATLAS and CMS experiments at CERN announced the discovery of a new boson looking very much like the Higgs boson. Image credit: Daniel Dominguez / CERN.

Entanglement Survives Violence of CERN’s Large Hadron Collider

Sep 15, 2026 by News Staff

Physicists from the ATLAS Collaboration at CERN’s Large Hadron Collider have confirmed that quantum entanglement — the phenomenon Albert Einstein...

Palomino Ylla et al. found a way to check for black hole hair using changes in ringdown waves. Image credit: Nagoya University.

Physicists Devise New Way to Listen for ‘Hairy’ Black Holes

Sep 7, 2026 by Enrico de Lazaro

When two black holes merge, the resulting object rings like a struck bell, radiating gravitational waves that fade in a distinctive pattern called ringdown....

To search for dark matter, LZ uses photomultiplier tubes (shown here before installation in the detector) to capture light from particle interactions. Image credit: Matthew Kapust / Sanford Underground Research Laboratory.

Physicists Spot Curious Signal in Hunt for Elusive Dark Matter Particles

Sep 3, 2026 by Enrico de Lazaro

Physicists using the LUX-ZEPLIN (LZ) dark matter detector deep underground in a former South Dakota gold mine say they’ve recorded a single particle...

B.J.P. Jones & J.A. Formaggio devise an idea for a laser that shoots a beam of neutrinos. Image credit: Gemini AI.

Neutrino Laser is Physically and Fundamentally Impossible, Physicists Say

Sep 2, 2026 by News Staff

In a pair of papers published in the journal Physical Review Letters, a team of MIT physicists has shown that the neutrino laser — a concept proposed...

Candidate event displays of double-Higgs boson production as recorded by ATLAS (left) and CMS (right). Image credit: CERN.

CERN Physicists Hunting for Pairs of Higgs Bosons

Aug 28, 2026 by News Staff

New results from the ATLAS and CMS Collaborations at CERN’s Large Hadron Collider (LHC) offer a tantalizing hint of Higgs bosons interacting with one...

Cornell et al. demonstrate all-mechanical coherence protection of a silicon-vacancy spin in diamond. Image credit: Cornell et al., doi: 10.1038/s41567-026-03369-2.

Physicists Use Sound Waves to Keep Quantum Information from Slipping Away

Aug 26, 2026 by News Staff

A team of physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences has found that a steady stream of sound waves can shield...

Quark and gluons inside a proton. Image credit: Brookhaven National Laboratory.

Physicists Find Evidence for How Protons Carry Their Identity

Aug 14, 2026 by News Staff

For decades, physicists have puzzled over a deceptively simple question: how does a proton carry its baryon number, the quantum property that marks it...

CERN Physicists Find Evidence for Gluon Saturation inside Atomic Nuclei

Aug 12, 2026 by News Staff

Physicists working with the ALICE experiment at CERN’s Large Hadron Collider have made the most detailed measurement yet of gluon behavior inside nuclei,...

Neutral beauty mesons can turn into their own antimatter opposite and back again. Image credit: Ansar Iqbal / CMS.

CERN Physicists Take New Look at Why Matter Beat Antimatter

Jul 20, 2026 by News Staff

Using the largest sample yet of particles called beauty mesons, physicists with the CMS Collaboration at CERN’s Large Hadron Collider (LHC) refined a...

An artist’s impression of the doubly charmed Ωcc⁺ baryon. Image credit: Daniel Dominguez / CERN.

CERN Physicists Discover Third and Final Member of Doubly Charmed Baryon Family

Jun 18, 2026 by News Staff

Physicists with LHCb Collaboration at CERN’s Large Hadron Collider (LHC) have detected the elusive Ωcc⁺ baryon, a particle containing two charm quarks...

Quantum mechanics defies classical intuition, most famously through Schrödinger’s cat, where systems exist in superpositions of opposing states. Such superpositions are central to quantum technologies. Quantum ‘cat’ states have been realized in harmonic oscillators, but implementations were largely limited to Fock, displaced, or Gottesman-Kitaev-Preskill states. A different class of macroscopic superpositions, where an oscillator is squeezed along orthogonal axes so that its positional variance is simultaneously larger and smaller than the Heisenberg limit, was proposed previously but remained unrealized. Saner et al. introduce a trapped-ion hybrid spin-oscillator system enabling an experimental realization of these ‘siblings’ of Schrödinger’s cat. Image credit: Saner et al., doi: 10.1103/k1xk-yt42.

Schrödinger’s Cat Gets Stranger: Physicists Demonstrate Quantum States No One Has Seen Before

Jun 10, 2026 by News Staff

Physicists at the University of Oxford have engineered a new class of ‘cat states’ — quantum superpositions constructed not from ordinary wave...

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.

Is Dark Energy Unnecessary? Mathematicians Challenge Standard Cosmological Model of Universe

May 28, 2026 by News Staff

Mathematicians from University College London and the University of California, Davis, have published a mathematical proof that the Universe’s accelerating...

Sigmops gracilis. Image credit: Wu Quancheng / Fisheries Research Institute, Council of Agriculture, Taiwan.

Bioluminescent Deep-Sea Fish Use Crystal ‘Prisms’ to Recycle Their Own Glow

May 27, 2026 by News Staff

A marine biologist studying the photophores of a bioluminescent fish species found needle-shaped guanine crystals that scatter and redirect light instead...

An artist’s impression of the Bc*+ meson. Image credit: Daniel Dominguez / CERN.

CERN Physicists Observe New Exotic Particle

May 25, 2026 by News Staff

Physicists with the ATLAS Collaboration at CERN’s Large Hadron Collider (LHC) have observed the Bc*+ meson, an excited version of the Bc+ meson —...

Gravitational waves observed by Laser Interferometer Gravitational-Wave Observatory (LIGO) twin detectors were produced during the final fraction of a second of the merger of two black holes to produce a single, more massive spinning black hole. Image credit: T. Pyle / LIGO.

Gravitational Waves Could Become New Tool in Hunt for Dark Matter

May 13, 2026 by News Staff

Researchers have developed a new method to identify whether black hole mergers occurred inside dense clouds of dark matter, potentially opening a fresh...

Aggarwal et al. show that the energy released from dark matter decay could alter the chemistry of early galaxies enough to cause some of them to directly collapse into black holes rather than forming stars. Image credit: Aggarwal et al., doi: 10.1088/1475-7516/2026/04/034.

Dark Matter May Have Jump-Started Universe’s First Giant Black Holes

Apr 29, 2026 by News Staff

New research by astronomers from the University of California, Riverside, Sam Houston State University and the University of Oklahoma suggests decaying...

Scatterty et al. used a combination of self-report and biological measures to demonstrate that infrasound can have irritant, and aversive properties on humans. Similarly, infrasound appears to influence increases in negative affective evaluation.

Infrasound Can Subtly Raise Stress and Discomfort, New Study Finds

Apr 27, 2026 by News Staff

New research suggests that infrasound — very low-frequency sound below 20 Hz — can increase cortisol levels and irritability, offering a scientific...

A muon particle passing through lead in a cloud chamber. Image credit: Jino John 1996 / CC BY-SA 4.0.

Long-Standing Muon Mystery May Be Settled

Apr 23, 2026 by News Staff

A new high-precision calculation of a key component underpinning the magnetic moment of the muon, a heavier cousin of the electron, brings theory and experiment...

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