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.
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.
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.
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.
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.
Scientists have developed a new device to probe the existence of dark matter particles across a wide mass range below one mega electron volt. The QROCODILE experiment uses an improved superconducting nanowire single-photon detector to detect changes in direction, which can help filter out non-dark-matter events.
Researchers have developed a new technology to detect light dark matter particles, which could generate direct evidence of dark matter or rule out broad classes of theories. The detector is designed to capture tiny energy signals from dark matter collisions with atoms, using silicon skipper CCDs to detect single electrons.
Researchers propose that Jupiter-sized exoplanets may accumulate and collapse into detectable black holes due to dark matter. This process could potentially generate multiple black holes in a single exoplanet's lifetime, making exoplanet surveys a promising method for hunting superheavy dark matter particles.
The study finds that dark energy's influence on the universe is changing over cosmic time, which can be understood as a signal of matter being converted into dark energy. The data also provides evidence for neutrinos having mass greater than zero, improving previous interpretations.
A team of astrophysicists from the University of Bonn and Iran has reclassified Ursa Major III as a compact star cluster containing a black hole core. Simulations suggest that the object's high mass-to-light ratio can be explained by the presence of dark stars rather than dark matter.
Researchers have developed bipolar-barrier tunnel heterostructures for high-sensitivity mid-infrared photodetection. The design suppresses majority carriers and facilitates efficient tunneling of photogenerated carriers, achieving outstanding room-temperature specific detectivity.
A new study by Dartmouth astronomers has mapped 355 candidate satellite galaxies around dwarf galaxies, tripling the number previously surveyed. The researchers aim to understand how external conditions influence satellite formation and uncover insights into dark matter's nature.
Researchers at the University of São Paulo propose an inelastic DM model that interacts with ordinary matter through a vector mediator. This interaction could open a new window for dark matter research, providing a more precise understanding of its properties and behavior.
Researchers propose a novel method for detecting dark matter using thorium-229 nucleus properties, with potential to detect forces 10 trillion times weaker than gravity. The new approach aims to identify minute deviations in the absorption spectrum of thorium-229 to reveal dark matter's influence.
New research predicts the existence of 80-100 additional satellite galaxies surrounding the Milky Way, orbiting at close distances. These 'orphan' galaxies are lost in most simulations but should have survived in the real Universe.
Researchers at the University of Innsbruck have developed a versatile method to control dark excitons in semiconductor quantum dots using chirped laser pulses and magnetic fields. This allows for the storage and manipulation of excitons, enabling new opportunities for quantum memory control and entangled photon pair generation.
A new type of star-like object, called 'dark dwarfs', could help solve the universe's greatest mystery: dark matter. These objects are powered by dark matter and may be found at the center of our galaxy.
Researchers propose 'dark dwarfs' could be key to understanding dark matter, with lithium-7 serving as a unique marker. A discovery of a dark dwarf would provide compelling evidence for WIMPs as a possible dark matter component.
Researchers at Rice University have conducted the first direct search for ultralight dark matter using a magnetically levitated particle. Despite high sensitivity, they did not find evidence of the anticipated signal, ruling out specific interactions between dark matter and ordinary matter.
A UK study analyzed over 30,000 crimes and found that the overall risk of crime increases after dark, but only for specific types such as burglary, robbery, and criminal damage. The risk varies by neighborhood, suggesting that darkness itself may be a contributing factor to crime.
A new Johns Hopkins study suggests that supermassive black holes could generate high-energy particles similar to those produced by human-made particle colliders. The research proposes using observatories tracking cosmic events to detect these particles, offering a potential cheaper alternative to expensive facilities.
A new study of diffuse dwarf galaxies has revealed an exceptionally strong clustering pattern, contradicting the established understanding of galaxy clustering. The researchers propose a new model of dark matter based on the Self-Interacting Dark Matter (SIDM) theory.
Researchers at Dartmouth College propose a new theory on the origin of dark matter, suggesting it could have formed from high-energy massless particles that rapidly condensed into cold, heavy particles. The theory can be tested using existing observational data, including the Cosmic Microwave Background radiation.
Roman's surveys will investigate dark energy and dark matter governing cosmic evolution, and study the demographics of worlds beyond our solar system. The missions include High-Latitude Wide-Area Survey, High-Latitude Time-Domain Survey, and Galactic Bulge Time-Domain Survey.
Researchers at King's College London and Harvard University develop a detector that can identify axions, leading potential candidates for dark matter. The Axion Quasiparticle (AQ) technology has the potential to discover dark matter in five years with further development.
Researchers have calculated that star formation can occur in halos down to 10 million solar masses through molecular hydrogen cooling. This discovery has significant implications for our understanding of galaxy formation and the nature of dark matter.
The Dark Energy Spectroscopic Instrument (DESI) has released a new dataset containing information on 18.7 million celestial objects, including galaxies, quasars, and stars. This is the largest dataset of its kind ever shared, providing valuable insights into dark energy and the evolution of the universe.
The latest DESI data suggests that dark energy's impact on the universe's acceleration may be weakening over time. Researchers are seeing hints that evolving dark energy could be a more accurate explanation for their findings, which are backed by multiple lines of evidence from different experiments.
The new DESI results show that the impact of dark energy may be weakening over time, suggesting a fundamental shift in how we think about dark energy. The collaboration's findings are consistent with other measurements, including supernovae and the light left over from the dawn of the universe.
The analysis of DESI data, combined with other measurements, suggests that dark energy's impact may be weakening over time. Researchers confirm previous findings of evolving dark energy but acknowledge the need for further evidence to reach statistical significance.
A study published in Physical Review Letters suggests that a mysterious phenomenon at the center of our galaxy may be caused by a lighter form of dark matter. The research team detected unusual energy signatures radiating from this region, which they believe could be produced by the annihilation of tiny dark matter particles.
Researchers from USTC unveil planar optical device that enhances dark-field microscopy capabilities, achieving super-resolution imaging. The compact device uses a scattering layer and metallic film to generate dark-field speckle patterns, enabling high-contrast imaging with improved spatial resolution.
Researchers have set new limits on the lifetime of dark matter particles using a combination of models and state-of-the-art observations. The findings highlight the utility of their technology, setting an upper bound of ten to a hundred million times the age of the universe for the frequency of dark matter decay events.
Researchers measured high-precision transition frequencies and isotope mass ratios in ytterbium isotopes to confirm a nonlinearity anomaly. The team established a new limit for the existence of dark forces and gained insights into atomic nucleus deformation, opening doors for collaboration in physics research.
A team of international researchers has developed an innovative approach to detect dark matter by analysing data from ultra-stable lasers connected by fibre optic cables and atomic clocks aboard GPS satellites. They identified subtle effects of oscillating dark matter fields, which were invisible in previous searches.
A research team has found that dark matter makes up about 60% of the mass of two galaxies at a redshift of 6, shedding light on its role in galaxy evolution. This discovery offers new insights into the intricate relationship between dark matter and supermassive black holes.
A new technique allows for precise tracking of tiny particles known as dark excitons in time and space. This breakthrough has the potential to improve the quality and efficiency of solar cells and other devices.
Researchers have developed a perovskite X-ray detector that uses cascade engineering to reduce dark current, enabling high-quality medical images at ultra-low doses. The device achieved a detection limit of 100 nGy·s−1, a significant improvement over previous limits.
Singapore has joined the Global Network of Optical Magnetometers (GNOME) to search for signals of dark matter and exotic astrophysical fields. The Singapore station, hosted at A*STAR, will use advanced quantum sensors and machine learning algorithms to analyze magnetic field signals and potentially uncover dark matter's presence.
Researchers have developed a new approach to analyzing cosmic maps, known as field-level inference, which preserves the fidelity of the data and can improve the determination of cosmological parameters by a factor of 3.5 to 5.2 compared to standard methods.
Priyamvada Natarajan has made groundbreaking contributions to understanding dark matter substructure, black hole formation, and their impact on the universe. Her work has laid the foundation for modeling black hole populations across the lifetime of the universe.
Researchers from NTU Singapore have developed a new crystal structure that shows naturally existing particles can behave like axions, promising to detect dark matter. The findings could lay the groundwork for understanding cosmic phenomena and uncovering the universe's greatest mysteries.
Researchers found a core-collapsing self-interacting dark matter subhalo is responsible for the peculiar spur and gap features observed in the GD-1 stellar stream. This discovery provides insights into the nature of dark matter itself and offers a new explanation for the observed perturbations.
A team of physicists and astronomers found that the Universe is expanding in a more varied way than previously thought, making dark energy unnecessary. The new evidence supports the timescape model of cosmic expansion, which attributes differences in stretching light to calibration issues rather than dark energy.
A new AI system has been developed to detect compound-type dark jargons on social media, which are used by offenders to evade detection. The system achieves a 7% improvement in accuracy and identifies 93% of newly detected dark jargons as previously unknown, highlighting its potential to reveal emerging terms.
A study of over 26,000 white dwarf stars confirmed that hotter stars are slightly larger due to higher temperatures. This finding brings scientists closer to understanding the effects of extreme gravity and potentially detecting dark matter particles.
A recent study by MSU researchers doubles the number of known dark comets and identifies two distinct types. Dark comets are near-Earth objects that may contain water, a potential source for delivering materials to Earth necessary for life. The discovery challenges current classification methods for asteroids and comets.
A new study from Harvard T.H. Chan School of Public Health found that consuming at least five ounces of dark chocolate per week may lower the risk of developing type 2 diabetes by up to 21%. Dark chocolate's rich polyphenols are believed to offset the negative effects of saturated fat and sugar on weight gain and diabetes.
Researchers have discovered unusual, Earth-size magnetically driven vortices generating dense, hydrocarbon haze at Jupiter's poles. The dark ovals hint at strong interactions between the planet's magnetic field and atmosphere.