Physics News

Physicists Find First Experimental Evidence of Elusive Critical Point in Supercooled Water

You et al. studied supercooled water at timescales before ice formation by heating high- and low-density amorphous ices using infrared ultrafast laser pulses, followed by X-ray scattering; they observed a rapid increase in the heat capacity indicating a critical divergence at 210 K coincident with enhanced density fluctuations. Image credit: POSTECH University.
Mar 30, 2026 by News Staff

By probing supercooled water with ultrafast lasers before it crystallizes, physicists at Stockholm University observed telltale signs of a long-theorized transition between two liquid states, including surging heat capacity and critical fluctuations. You et al. studied supercooled water at timescales before ice formation by heating high- and low-density amorphous ices using infrared ultrafast laser pulses, followed by X-ray scattering; they observed...

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Morrell et al. observed a new type of time crystal -- one whose particles levitate on a cushion of sound while interacting with each other by exchanging sound waves. Image credit: David Song / NYU.

Physicists Create Levitating Form of Time Crystal

Mar 24, 2026 by News Staff

A team of scientists at New York University has created a version of the exotic phase of matter in which particles levitate acoustically and interact by...

An artist’s impression of the doubly charmed baryon Ξcc⁺, which contains two charm quarks and one down quark. Image credit: CERN.

CERN Physicists Discover Heavier Cousin of Proton

Mar 23, 2026 by News Staff

Physicists from the LHCb experiment at CERN’s Large Hadron Collider (LHC) have discovered a new kind of heavy proton-like particle. Known as Ξcc⁺,...

Schematic of the expansion of the Universe from the Big Bang to the present day. Image credit: NASA / EFBrazil.

Astrophysicists Propose New Method to Measure Hubble Constant

Feb 25, 2026 by Enrico de Lazaro

Astrophysicists from the University of Illinois and the University of Chicago have developed an innovative method to measure the Hubble constant —...

The KM3NeT experiment has recently observed a neutrino with an energy around 100 PeV, and IceCube has detected five neutrinos with energies above 1 PeV; while there are no known astrophysical sources, exploding primordial black holes could have produced these high-energy neutrinos. Image credit: Gemini AI.

Ultra-High-Energy Neutrino May Signal First Glimpse of Primordial Black Hole Explosion

Feb 4, 2026 by News Staff

Physicists at the University of Massachusetts Amherst argue that an ultra-high-energy neutrino detected by the KM3NeT experiment could be the signature...

Hun Rho et al. introduce plasmonic colloidal supraballs -- solution-processable assemblies of gold nanospheres -- as a robust and versatile platform for broadband solar energy harvesting. Image credit: Hun Rho et al., doi: 10.1021/acsami.5c23149.

New Nanomaterial Design Could Help Solar Tech Harness More Sunlight

Feb 2, 2026 by News Staff

By using gold nanospheres engineered to capture light across the solar spectrum, researchers at Korea University took a step toward lowering barriers to...

Dark photons are hypothetical dark sector particles proposed as a force carrier similar to the photon of electromagnetism but potentially connected to dark matter. Image credit: University of Adelaide.

Physicists Challenge Long-Held Assumptions about Nature of Dark Matter

Jan 19, 2026 by News Staff

Dark matter may not have been ‘cold’ in the earliest moments after the Big Bang, as long believed; instead, new research from the University of Minnesota...

Operating principle and implementation of MASI. Image credit: Wang et al., doi: 10.1038/s41467-025-65661-8.

New Sensor Rewrites Rules of Optical Imaging

Jan 19, 2026 by News Staff

Inspired by a technique that allowed astronomers to image a black hole, scientists at the University of Connecticut developed a lens-free image sensor...

Signatures of single gravitons from gravitational waves can be detected in near-future experiments. Image credit: I. Pikovski.

Physicists Begin Building First-Ever Graviton Detector

Jan 19, 2026 by News Staff

Stevens Institute of Technology physicist Igor Pikovski and colleagues are developing the first experiment designed to capture individual gravitons —...

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.

New Solution to Cosmic Acceleration Challenges Dark Energy Paradigm

Jan 12, 2026 by News Staff

Physicists from the Center of Applied Space Technology and Microgravity at the University of Bremen and the Transylvanian University of Brașov have unveiled...

Google’s quantum computer. Image credit: Google.

Breakthrough in Quantum Computing: First Secure Method to Back Up Quantum Information

Jan 7, 2026 by News Staff

Scientists at the University of Waterloo and Kyushu University have developed the first method to create redundant, encrypted copies of qubits —...

Using data from the MicroBooNE detector, physicists report one of the first searches for a sterile neutrino using two accelerator neutrino beams. Image credit: Gemini AI.

Physicists Rule Out Existence of Sterile Neutrino

Dec 10, 2025 by News Staff

Physicists with the MicroBooNE (Micro Booster Neutrino) Collaboration have ruled out the existence of a single sterile neutrino with 95% certainty. Using...

Time is an example of psychological projection. Image credit: Gemini AI.

Time is Psychological Projection, Philosopher Suggests

Nov 18, 2025 by The Conversation

In his new book ‘A Brief History of the Philosophy of Time,’ Wake Forest University’s Professor Adrian Bardon proposes that our sense of the passage...

An artist’s impression of the Solar System. Image credit: NASA / JPL.

Our Solar System is Moving More Than Three Times Faster than Expected

Nov 17, 2025 by News Staff

To determine the motion of the Solar System, Bielefeld University astrophysicist Lukas Böhme and his colleagues analyzed the distribution of radio galaxies. An...

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.

Our Universe Has Already Entered Decelerating Phase, Study Suggests

Nov 6, 2025 by News Staff

New research from Yonsei University in Seoul, Korea, casts doubt on the long-standing theory that dark energy is driving distant galaxies away increasingly...

Faizal et al. show that the fundamental nature of reality operates in a way that no computer could ever simulate. Image credit: Gemini AI.

Universe Is Not a Computer Simulation, New Study Says

Oct 30, 2025 by News Staff

A team of physicists from Canada, the United States, the United Kingdom and Italy has mathematically shown that our Universe is built on a type of understanding...

The world’s first neutrino observation in a hydrogen bubble chamber. It was found November 13, 1970, on this photograph from the Zero Gradient Synchrotron’s 12-foot bubble chamber. The invisible neutrino strikes a proton where three particle tracks originate (lower right). The neutrino turns into a mu-meson, the long center track (extending up and left). The short track is the proton. The third track (extending down and left) is a pi-meson created by the collision. Image credit: Argonne National Laboratory.

NOvA and T2K Experiments Zero In on Unusual Properties of Neutrinos

Oct 28, 2025 by News Staff

In both NOvA (NuMI Off-axis νe Appearance experiment) and T2K experiments, neutrinos are fired from particle accelerators and detected after traveling...

The model proposed by Eto et al. suggests a brief knot-dominated era, when these tangled energy fields outweighed everything else, a scenario that could be probed through gravitational-wave signals. Image credit: Muneto Nitta / Hiroshima University.

Cosmic ‘Knots’ May Have Briefly Dominated Newborn Universe, Physicists Say

Oct 22, 2025 by News Staff

Knots emerge in various fields of mathematics and physics today. A team of physicists from Japan and Germany suggests that, during the early Universe,...

This view shows the entire sky at energies greater than 1 GeV based on five years of data from the LAT instrument on NASA’s Fermi Gamma-ray Space Telescope; the most prominent feature is the bright band of diffuse glow along the map’s center, which marks the central plane of our Milky Way Galaxy. Image credit: NASA / DOE / Fermi LAT Collaboration.

Milky Way’s Galactic Center Excess is Due to Dark Matter Annihilation: Study

Oct 20, 2025 by News Staff

The Galactic Center excess is an unexpected concentration of gamma-rays emerging from the center of our Milky Way Galaxy. This view shows the entire sky...

A small crystal of ice XXI formed through nucleation and slow melting process. Image credit: Lee et al., doi: 10.1038/s41563-025-02364-x.

New Form of Ice Discovered: Ice XXI

Oct 15, 2025 by News Staff

Scientists have demonstrated that supercompressed water transforms into ice VI at room temperature through multiple freezing-melting pathways, which occur...

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