A new experiment by PSI researchers eliminates the possibility of transformation into mirror particles, ruling out a mirror world. This finding is crucial for particle physics, as it restricts speculations and encourages exploration of new avenues.
Researchers from McGill and MIT used fast radio bursts and galaxy locations to map the distribution of missing matter, finding it surrounds galaxies and extends four million light-years from them. The discovery supports the idea that black hole jets and other energetic processes fling matter outside galaxies.
Researchers reveal that missing ordinary matter exists in diffuse clouds surrounding galaxy groups, extending beyond predicted distances. The findings suggest stronger and more violent star activity and black hole jets, pushing matter to larger scales.
Researchers studied dark matter's potential additional attractive force and found it suppresses structure growth, contrary to expectations. The extra clustering effect is counterbalanced by a decrease in dark matter particles' mass over time, reducing the overall impact on cosmic microwave background observations.
Researchers found that the new galaxy has the mass of 100 million suns and no dark matter, suggesting it formed through a violent event without dark matter 'halos'. This discovery provides strong evidence for an extreme process of galaxy formation and offers insight into the nature of dark matter.
A new study reveals that dark brown carbon from wildfires has a powerful warming effect on the global climate, potentially exceeding that of black carbon. The research found that this 'dark brown carbon' absorbs light well into the visible spectrum, amplifying regional and global warming.
Researchers at Johannes Gutenberg University Mainz have made new constraints on dark matter particles using precision measurements of barium monofluoride molecules. The study found bounds on hypothetical Z' bosons that mediate electron-nucleus interactions, potentially shedding light on dark matter.
A Tokyo Metropolitan University scientist has proposed using standard synchrotron facilities to study dark photons, a key step in the hunt for dark matter. The method uses radiation safety monitoring data to estimate limits on dark photon properties.
Researchers discovered that small lesions in white matter can trigger a response in connected grey matter, leading to neuronal activity fall, microglia activation, and synapse loss. However, this response is part of the repair process, essential for brain regeneration.
A team of undergraduate students built a cavity detector to search for axions and set new experimental limits on their properties. The result was achieved with relatively limited resources, showcasing the potential for small-scale experiments in precision cosmology.
New research suggests that relic black holes from before the big bang could help explain dark matter and several long-standing mysteries in cosmology. These primordial objects may have survived into the present day as 'cosmic fossils,' potentially influencing galaxy structure billions of years later.
A study led by University of California, Riverside graduate student Yash Aggarwal suggests that dark matter decays could have seeded the direct collapse of galaxies into giant black holes. The research found that a window of dark matter masses between 24 and 27 electronvolts could produce conditions for black hole formation.
Researchers identified a potential connection between photosynthetic strategy and dark inhibition levels, with C3 and CAM plants showing variable and elevated levels, respectively. The study aims to inform future efforts to engineer more efficient photosynthesis in crops.
An international team of researchers found that torsion-balance experiments can double as detectors for very light dark matter, with the strongest direct detection limits to date on interactions between dark matter and nucleons in the mass range from about 0.01 to 1 eV.
A study suggests that self-interacting dark matter (SIDM) can explain unusual gravitational effects observed in various astrophysical environments. Dense clumps of SIDM can account for high-density structures in the universe, providing a promising candidate for explaining small-scale cosmic structure.
Researchers suggest that dark matter may consist of multiple particles, whose behavior varies depending on the cosmic environment. This could explain why a signal observed at the center of our galaxy is not seen in dwarf galaxies.
A recent FAU study found that individuals with prior criminal behavior, low self-control, and favorable attitudes toward deviance are more likely to access the dark web. The research highlights the importance of understanding who accesses this platform and why, particularly for those intending to engage in illicit activities.
Gravitational waves may have contributed to dark matter formation through stochastic gravitational waves during the early universe's formation. This new mechanism could lead to mass-free or nearly mass-free fermions that would acquire mass and form dark matter particles.
Tova Holmes and Larry Lee will work on the CMS upgrade and search for new particles at Fermilab, while also promoting the laboratory's Distinguished Researcher program. They aim to strengthen connections between the university and the national lab, bringing students and postdocs to the lab for hands-on learning opportunities.
A University of Missouri study reveals that private dark pools attract inexperienced investors and allow companies to delay sharing bad news, increasing the likelihood of sudden stock price crashes. Dark pools also enable accounting manipulation by allowing managers to hide bad news through unusual accounting adjustments.
A new study proposes a two-component self-interacting dark matter model that naturally reproduces observational results for dwarf galaxies and strong gravitational lensing. The model predicts mass segregation, where heavier particles sink towards galaxy centers and lighter particles diffuse outward.
Researchers created a distributed nuclear-spin-based quantum sensor network to experimentally exceed astrophysical constraints on dark matter associated with axion topological defects. The study set the most stringent constraints on axion-nucleon coupling across an axion mass range, opening up new possibilities for probing unexplored p...
Researchers propose an alternative explanation for the galactic centre: an enormous clump of mysterious dark matter exerting gravitational influence. The model also explains the galaxy's large-scale rotation and predicts a unique cosmic structure.
Researchers found 'dark energy' in protein structures, indicating energetic frustration between form and function. This 'dark energy' varies by site, revealing the cost of specific functions like binding.
Researchers created the highest resolution map of dark matter, showing its interaction with normal matter through gravity. The new data from NASA's James Webb Space Telescope confirms previous research and provides new details about dark matter's influence on the Universe.
Researchers challenge a decades-old dark matter theory, suggesting it could have been 'incredibly hot' when first born. The study opens up new possibilities for dark matter and its interactions with other matter, providing clues about the origins of our Universe.
A recent study suggests that dark stars could provide solutions to three pressing puzzles of the high-redshift universe: blue monster galaxies, overmassive black hole galaxies, and little red dots. Dark stars form in dark matter-rich environments and can grow to become supermassive, complementing standard models of galaxy formation.
Researchers found evidence that dark matter and neutrinos interact, offering a rare glimpse into the universe's darkest regions. The study casts doubt on the long-standing cosmological model, suggesting interactions between dark matter and neutrinos could explain a discrepancy in cosmic structure formation.
Researchers at Texas A&M University are building highly sensitive detectors to explore dark matter and energy. The team's work builds on previous breakthroughs in detecting low-mass particles, and they aim to find ways to amplify signals that were previously buried in noise.
Researchers at the University of Cincinnati have solved a long-standing problem in particle physics, using fusion reactors to produce subatomic particles called axions. This breakthrough has implications for understanding dark matter, which is thought to make up most of the universe's mass.
Researchers at the University of Amsterdam developed a new model to track dark matter's effect on black holes' gravitational waves. The study focuses on extreme mass-ratio inspirals, where a smaller object orbits a massive black hole, emitting gravitational waves that can reveal dark matter's distribution around black holes.
Astrophysicists from UChicago analyzed galaxy shapes and distances to independently examine inconsistencies in the LCDM model. The team's findings support previous weak lensing measurements, indicating consistent growth of structure in the universe.
A new FAU study reveals significant mental health differences between dark web users and surface web users, with dark web users reporting substantially higher levels of depressive symptoms and paranoid thoughts. The study also found substantial differences in suicidal thoughts, non-suicidal self-injury, and digital self-harm.
Researchers believe they have finally detected gamma rays predicted by the annihilation of theoretical dark matter particles. The observed energy spectrum matches the emission predicted from weakly interacting massive particles, with a mass approximately 500 times that of a proton.
A research team at CUNY and UT Austin discovered a way to control dark excitons, highly promising for quantum information and advanced photonic applications. They amplified light emission by 300,000 times, making them visible and controllable.
A new study published in Monthly Notices of the Royal Astronomical Society suggests that the universe's expansion may have started to slow rather than accelerate at an ever-increasing rate. The findings cast doubt on the long-standing theory of dark energy, which is believed to be driving distant galaxies away increasingly faster.
A UNIGE-led team found that dark matter behaves similarly to ordinary matter on a cosmological scale, following Euler's equations. However, the possibility of an unknown interaction or fifth force remains open.
Japanese physicists have shown that knots can arise in a realistic particle physics framework, potentially explaining the origin of the universe's matter surplus. By combining two long-studied extensions of the Standard Model, the team found a stable knot configuration that could have formed and dominated in the early universe.
A recent study has found an association between gum disease and changes in the brain's white matter, which can affect memory, thinking, balance, and coordination. Adults with gum disease had more white matter hyperintensities, a type of damage that can increase stroke risk.
Researchers revive dark matter as a serious contender for explaining the Milky Way's central glow, proposing a more complex and nonspherical dark matter structure. Advanced simulations reveal that dark matter may still be the best explanation for the excess of high-energy radiation observed by NASA's Fermi Gamma-ray Space Telescope.
Researchers at Tohoku University propose a way to detect dark matter using highly sensitive quantum devices connected in network structures. This approach outperforms traditional methods and has potential applications beyond dark matter searches.
A mysterious glow in the Milky Way could be a clue to dark matter's existence. Researchers used supercomputers to simulate dark matter locations and found matches with actual gamma ray maps.
Researchers at the University of York suggest Dark Matter could impart a subtle red or blue tint to light as it passes through regions with Dark Matter presence. Detecting such effects could open up a new way to study invisible mass in the cosmos.
A team of astronomers has discovered a mysterious dark object in the distant universe with a mass about 1 million times that of our Sun. The discovery is significant as it could confirm or refute theories about the nature of dark matter.
Researchers at University of Tsukuba predicted the intensity of 21-cm radio signal in different dark matter models using numerical simulations. The results imply hydrogen gas produced a characteristic signal that could reveal dark matter mass and velocity if detected globally.
A recent study used Japan's Fugaku supercomputer to simulate the effects of time-varying dark energy on cosmic evolution. The results show that a higher matter density creates stronger gravitational forces, leading to earlier and more efficient formation of massive galaxy clusters.
Recent study identifies four extremely distant objects consistent with supermassive dark stars, which could explain the formation of supermassive black holes. The presence of a 'smoking gun signature' absorption feature at 1640 Angstrom in one of the objects suggests their existence.
Researchers propose that natural forces of the universe slowly weakening as it ages could explain phenomena such as galaxy rotation and expansion. This new approach challenges established concepts by explaining these observations with the same equation without needing dark matter or dark energy.
The LUX-ZEPLIN experiment has narrowed down the possibilities for weakly interacting massive particles (WIMPs), a leading dark matter candidate. By analyzing 280 days' worth of data and using sophisticated techniques to rule out backgrounds, scientists have pushed the boundary into a new regime in their search for dark matter.
Researchers from Tel Aviv University predict that detecting radio waves from the cosmic dark ages can help resolve the nature of dark matter. The study uses computer simulations to show that dense clumps of dark matter formed throughout the Universe, pulling in hydrogen gas and causing it to emit intense radio waves.
Scientists at OIST use advanced spectroscopy to track the evolution of dark excitons, overcoming the fundamental challenge of accessing these elusive particles. The findings lay the foundation for dark valleytronics as a field, with potential applications in quantum information technologies.
Gravitinos, charged particles with spin 3/2, are suggested as a new alternative to existing Dark Matter candidates like axions and WIMPs. The JUNO detector, currently under construction, is well-suited for detecting gravitinos due to its large volume.
Researchers at Rutgers University uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the universe created by dark matter. They analyzed large samples of special galaxies called Lyman-alpha emitters to study galaxy formation and evolution over billions of years.
A new study uses advanced computer simulations to shed light on the fundamental properties of dark matter. The research reveals how gas clouds in the early Universe could reveal information about dark matter's mass, which is crucial for particle physicists to develop theoretical models.
Researchers Josh Frieman and Anowar Shajib found that physics-based models for evolving dark energy better explain current data than the standard model. The data suggests that dark energy density has decreased by about 10% over the last several billion years, changing the cosmic expansion history.
A team of scholars from USC, UC Riverside, and Carnegie Observatories will develop computer models to simulate the birth of structure in the universe, testing theories about galaxy formation. The Lyman-Alpha forest Research Collaboration aims to reveal quantum properties of dark matter and neutrino particles.
Scientists have discovered a rare cosmic pattern known as an Einstein Cross with a fifth image, which reveals hidden dark matter. The team used computer modeling and analysis to infer the presence of a massive, invisible mass surrounding the foreground galaxies.
The QROCODILE project has achieved record sensitivity in detecting light dark matter particles using superconducting detectors cooled to near absolute zero. The team set new world-leading limits on how dark matter interacts with ordinary matter, opening a door to future breakthroughs.
A recent study reveals that African forest habitats maintain a species-rich Pimplinae fauna compared to nearby farmland, making them valuable for conserving unknown dark biodiversity. The research also suggests that parasitoid wasps occupy a high position in food webs and are vulnerable to biodiversity loss.