A nearby supernova explosion could produce gamma rays that pinpoint the mass of a key dark matter candidate, the axion. The Fermi Gamma-ray Space Telescope would need to be in position to detect these gamma rays within 10 seconds of the supernova's core collapse.
Researchers propose that dark matter may have originated from a separate 'Dark Big Bang,' occurring shortly after the universe's birth. The study explores possible scenarios for this new theory and determines potential observable consequences, including gravitational waves detectable by future experiments.
A global research team led by UNF physics professors will develop a convergence framework to detect interactions between dark matter and ordinary matter. The project aims to test the feasibility of mineral detection, which could provide new insights into dark matter.
Astronomers at Case Western Reserve University have questioned the long-held standard model for galaxy formation, instead suggesting that modified gravity theories may be responsible. The James Webb Space Telescope's data suggests large and bright galaxies formed rapidly, contradicting predictions of dark matter's role.
Skirycz's five-year grant will support a novel method to characterize the 'dark matter' of the metabolome, identifying previously unknown functions of compounds. By comparing multiple interaction networks across different organisms, researchers aim to validate potential targets for understanding organismal health.
The Dark Wolf Nebula, located 5300 light-years from Earth, is a cold cloud of cosmic dust that obscures the light of stars and other objects. The image, captured by the VLT Survey Telescope, showcases the nebula's ghost-like presence against a bright background, highlighting its unique features.
A Virginia Tech-led team is searching for signs of dark matter in billion-year-old rocks. By analyzing crystal lattice structures, they aim to uncover miniature trails of destruction left by long-ago dark matter interactions.
Researchers found evidence that black holes contain dark energy, which could explain its mysterious nature. The Dark Energy Spectroscopic Instrument provided data showing a correlation between the growth of black holes and the increase in dark energy density over time.
Dr. Kevin J. Kelly, an assistant professor at Texas A&M University, has received the Henry Primakoff Award for Early-Career Particle Physics for his significant contributions to neutrino physics and proposing novel directions for dark matter research. He will deliver an invited lecture on his research at a future APS meeting.
Researchers from the Universiteit van Amsterdam and other institutions show that axion clouds around neutron stars could provide a new way to observe these elusive particles. The formation and properties of these clouds are studied, offering new opportunities for axion research and potentially solving the dark matter puzzle.
The latest DESI data reveals a dynamic behavior of dark energy known as quintom-B, which can be explained by modified gravity theory. This study suggests that dark energy may not be a cosmological constant in the traditional sense.
A study highlights a significant educational gap in identifying early stages of pressure ulcers in people with dark skin tones, putting them at risk of severe bedsores. Researchers recommend updated clinical guidelines and inclusive education to ensure all nurses can provide equitable care.
Dragonfly species with darker wing coloration have evolved to tolerate higher temperatures, possibly a decisive advantage in a warming world. This finding could help predict which species are vulnerable to extinction and preserve biodiversity.
A recent study suggests that the observation of antihelium nuclei in cosmic rays may be consistent with the existence of WIMP particles, which could make up dark matter. The detection of two distinct isotopes, antihelium-3 and -4, is particularly intriguing as heavier nuclei are unlikely to be produced through natural processes.
Ferah Munshi is studying the formation of Low Surface Brightness galaxies, which make up nearly 50% of the universe. Her research aims to understand why these galaxies are dim and large, including their dark matter content and distribution.
A newly discovered cluster-scale strong gravitational lens, the Carousel Lens, enables researchers to study cosmology and the properties of dark matter and dark energy. The unique alignment of seven background galaxies forms concentric circular patterns around a foreground galaxy cluster.
Researchers suggest that if most dark matter is composed of microscopic primordial black holes, they should pass through the solar system at least once per decade, introducing a wobble into Mars' orbit. This detection could lend support to the idea that primordial black holes are a primary source of dark matter.
A new study proposes that early dark energy could explain the formation of numerous bright galaxies in the early universe, resolving the 'Hubble tension' puzzle. The team modeled galaxy formation with a brief appearance of early dark energy, finding it fits observations and solves both puzzles.
The ATLAS collaboration has performed a combined statistical analysis of final states including dark matter particles, significantly enhancing the constraint on model parameter space and sensitivity to new physics. This work provides strong experimental results for multiple benchmark parameter models within the 2HDM+a framework.
A deep-learning algorithm developed by astronomer David Harvey can untangle the complex signals of self-interacting dark matter and AGN feedback in galaxy cluster images. The Inception model achieved an accuracy of 80% under ideal conditions, showcasing its potential for analyzing vast amounts of space data.
The LZ experiment has narrowed down possibilities for weakly interacting massive particles (WIMPs), a leading candidate for dark matter. The new results explore weaker interactions than ever searched before and limit what WIMPs could be, finding no evidence above a mass of 9 GeV/c².
An international team of astronomers has disproven a 'conspiracy' that stars and dark matter interact in inexplicable ways. By using advanced modeling techniques, they found that the similarity in galaxy density is due to how astronomers measured and modeled galaxies, rather than an actual interaction between stars and dark matter.
A new framework analyzes dark tourism, thanatology, and collective memory studies to understand why people are drawn to events steeped in themes of death, disaster, and suffering. The study reveals a complex interplay of curiosity, thrill-seeking behavior, cultural traditions, and psychological exploration.
A new AI-powered image recognition technique could help scientists detect dark matter at the LHC by flagging fleeting tracks before collisions occur. The technique, developed by Ashutosh Kotwal and his team, processes images in under 250 nanoseconds and weeds out uninteresting data points.
Astronomers have observed the decoupling of dark and normal matter velocities in a massive galaxy cluster collision. The dark matter accelerated ahead of normal matter due to gravity and electromagnetism interactions, offering a unique vantage point for studying this phenomenon.
Researchers used hydrogen to track dark matter's presence in the universe, revealing a tension between observations and theoretical predictions. The findings suggest that an unknown particle or new physics may be responsible for this discrepancy.
Researchers found that pairs of supermassive black holes can merge due to previously overlooked behavior of dark matter particles, proposing a solution to the longstanding final parsec problem. This discovery provides insight into the nature of dark matter and its interaction with supermassive black holes.
Researchers found deviations in pulse arrival times that indicate unseen concentrations of mass, which could be dark matter objects. The study improves pulsar timing data sample, shedding new light on dark matter distribution in the Milky Way.
A team led by Jamie McCullough and Daniel Grün has analyzed the largest dataset to date, shedding light on what the color of various galaxies says about their true distance. The results make it possible to statistically determine the true distance of each galaxy observed in images taken by Euclid or the Dark Energy Survey.
Researchers propose that simple forms of ultra-light scalar field matter could generate detectable gravitational wave backgrounds soon after the Big Bang. This discovery could shed light on dark matter and its role in the universe's mass, offering a new avenue for fundamental physics research.
A team of astronomers used NASA's Hubble Space Telescope to create the most accurate three-dimensional understanding of stars' movements within the Draco dwarf galaxy. This allowed them to build a more precise model of dark matter distribution, which aligns with cosmological models and suggests a cusp-like structure.
Scientists at European XFEL have developed a new method to study warm dense matter, allowing for unprecedented insights into its structure and properties. This breakthrough enables the investigation of plasmons in ambient aluminum with ultra-high-resolution X-ray Thomson scattering.
A research team used the "motion picture" method to measure the precession rate of the Milky Way's disk warp, revealing a slightly oblate dark matter halo with a flattening ratio between 0.84 and 0.96. The study found that the current dark matter halo exhibits a retrograde precession direction at a rate of 2 km/s/kpc.
Researchers at Lancaster University and others are building the most sensitive dark matter detectors using quantum technologies. They aim to detect dark matter particles weighing between 0.01 to a few hydrogen atoms, which could reveal the mass and interactions of these mysterious particles.
A team of scientists from the University of Warsaw detected a population of massive black holes, which could comprise at most a few percent of dark matter. The findings were published in Nature and the Astrophysical Journal Supplement Series.
Researchers create a 3D printed vacuum system to trap dark matter, using ultra-cold lithium atoms to analyze the effects of domain walls. The team expects results within a year and believes this study will be an important step forward in understanding dark energy and dark matter.
Scientists at Case Western Reserve University have discovered that the rotation curves of galaxies remain flat for millions of light years, defying expectations and challenging traditional understanding of cosmology. This finding suggests that dark matter may not exist or that alternative gravity theories could explain this phenomenon.
Researchers at USTC have detected two new exotic spin-spin-velocity-dependent interactions using solid-state spin quantum sensors. These findings provide valuable insights into fundamental interactions and could help explain observational facts in cosmology such as dark matter and dark energy.
A satellite galaxy of the Milky Way, Crater 2, has been studied by a UC Riverside-led team. They offer an explanation for its unusual properties using the self-interacting dark matter (SIDM) theory.
Researchers suggest microscopic, ultradense black holes formed in first quintillionth of a second after Big Bang may have produced smaller, super-charged black holes with unprecedented nuclear charge. These tiny, 'super-charged' black holes could have influenced atomic nucleus formation and detection.
A new study by Tulane University found that dark chocolate is safe for consumption and even nutritionally beneficial, containing essential minerals like copper and zinc. Only four out of 155 dark chocolate bars sampled had cadmium levels that posed a risk to children weighing less than 33 pounds.
Researchers used numerical simulations to analyze the behavior of dark matter in the giant galaxy cluster El Gordo. The study found that the physical separation between dark matter and other mass components can be explained using the Self-Interacting Dark Matter (SIDM) model.
Researchers propose a novel approach to correct the leading model of primordial black hole (PBH) formation, aligning with cosmic microwave background observations. This could imply fewer PBHs than expected, potentially affecting the dark matter theory and gravitational wave events.
Researchers propose a new model that predicts far fewer primordial black holes than previously thought, which could be a strong candidate for dark matter. The study uses quantum field theory to explain the formation of these miniature black holes in the early universe.
The study uses computer simulations to test two models of the universe, finding that features observed in real galaxies can be explained by both models. However, the team also found that such features only appear in their simulations when there is both dark matter and normal matter present.
Scientists have developed a new method to efficiently extract information from galaxy surveys, enabling the use of high-order information in future studies. This breakthrough has significant implications for understanding dark energy, dark matter, and gravity.
A massive ancient galaxy, JWST-ER1g, has been found to have a high dark matter density, puzzling physicists. Researchers offer an explanation that suggests a mechanism compressing the dark matter halo could be responsible for the high density.
Researchers have created the largest 3D map of the cosmos, measuring dark energy with unprecedented precision. The study provides insights into the expansion history of the young universe, with results agreeing with the Lambda CDM model but also hinting at potential differences that could indicate evolving dark energy.
Physicists calculated that neutron stars can heat up quickly due to energy transfer from dark matter particles, providing a potential way to detect dark matter. This process could reveal the nature of dark matter and its interactions with regular matter.
The 3,200-megapixel LSST Camera will help researchers better understand dark matter and dark energy by observing the night sky in unprecedented detail. The camera's high resolution will allow it to resolve a golf ball from 15 miles away, providing valuable insights into the universe.
The BREAD experiment has released its first results in the search for dark matter, demonstrating a novel approach that may speed up the search. The study showed high sensitivity in a specific frequency range, setting constraints on where dark matter might be found.
Researchers at SLAC National Accelerator Laboratory propose detecting thermalized dark matter, which builds up on Earth's surface, using quantum sensors. The study suggests that superconducting quantum devices could be redesigned to detect low-energy galactic dark matter particles.
A Clemson astrophysicist's research offers the most stringent constraints yet on dark matter's fundamental nature. The study reveals a small hint of a signal that could be confirmed in the next decade if real.
A new study by University of Ottawa physicist Rajendra Gupta challenges the existence of dark matter in the universe. Using the covarying coupling constants and tired light theories, Gupta's research finds that the universe does not require dark matter to exist.
Researchers have discovered unique electromagnetic signals in the debris of a neutron star merger, which could provide new constraints on axion-like particles and their potential role in dark matter. The findings were made using data from NASA's Fermi-LAT gamma-ray telescope.
Researchers used CALIFA survey data to study the mass of stars and their rotation, finding that dark matter affects galaxy evolution. Galaxies with equal star masses behave differently depending on their halo mass, revealing a connection between dark matter and stellar properties.
A team of astrophysicists used simulations to track galaxy formation near the Big Bang, including interactions between gas and dark matter. The results show that tiny, bright galaxies were formed more quickly than expected, challenging current theories about dark matter.
Researchers found a way to precisely calculate forces affecting galaxies in tidal cycles, a crucial step towards measuring dark matter velocity. Lopsided galaxies, common in outer space, can provide isolated environments to study dark matter relative motion.
A team of MIT physicists analyzed Gaia and APOGEE data to find stars farther out in the galactic disk are rotating more slowly than expected. This flat rotation curve indicates a lower mass galactic core, potentially containing less dark matter than previously estimated.
The study uncovers the formation dynamics of dark excitons from optically excited bright excitons in anatase TiO2, a semiconductor material known for its exceptional light absorption capabilities. The many-body effects within excitons play a crucial role in this transition, occurring within approximately 100 femtoseconds.