A team of researchers has discovered four sets of dual 'Little Red Dots' (LRDs) in the early universe, indicating a possible link between galaxy mergers and rapidly growing black holes. The findings suggest that black hole mergers could be responsible for the rapid growth of black holes in the early universe.
A team of researchers found that primordial black holes triggering Type Ia supernovae can explain several observed characteristics, including chemical abundance trends. The study suggests a non-zero fraction of PBH-triggered SN Ia is necessary to explain the trend in Milky Way stars.
A team of researchers developed new stellar and supernova models to explain the elemental abundance patterns in the Perseus constellation. The study revealed a profound mystery in the Perseus Cluster, requiring significant corrections to conventional theoretical models.
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.
Researchers found a shift in key cosmic measurement may be due to statistical artefact. Combining CMB and BAO data showed a mild tension that weakens evidence against standard inflationary models.
The Interactions Collaboration has selected top three photographs from hundreds of submissions by amateur and professional photographers worldwide. Marco Donghia's image of a researcher at the CryOgenic Laboratory for Detectors was chosen as first place, praised for its clear storytelling and masterful use of light.
Researchers have successfully classified new quantum phases using duality, revealing insights into non-invertible symmetries. The study's findings offer important theoretical contributions for applications in quantum technology.
A study by researchers at Kavli Institute for the Physics and Mathematics of the Universe has developed a method to resolve phase ambiguity in measuring cosmic birefringence. The technique may provide clues to unknown physical theories and dark matter, reducing uncertainty in observations.
Researchers used the James Webb Space Telescope to study 12 quasars from 12.9 billion years ago, revealing mature galaxies with active supermassive black holes. This challenges previous research suggesting black hole activity suppresses galaxy growth, instead showing a complex relationship between the two.
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.
A team of researchers has demonstrated that quantum entanglement follows universal rules across all dimensions, using thermal effective theory. The study reveals the behavior of Rényi entropy in higher-dimensional systems and clarifies the behavior of the entanglement spectrum.
An international team directly observes highly charged muonic ions, a new class of exotic atomic systems, in a gas-phase experiment. This achievement demonstrates the capabilities of advanced spectroscopic techniques and paves the way for expanded research into muonic atomic systems.
Researchers propose a new route for neutrino production in NGC 1068, suggesting helium nucleus decay as the primary source. This scenario explains the observed strong neutrino signal and weak gamma ray emission, shedding light on extreme environments around supermassive black holes.
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.
Researchers found evidence of spheroid formation in distant submillimeter-bright galaxies, which challenges current understanding of galaxy evolution. The study provides the first solid observational evidence that spheroids can form directly through intense star formation within the cores of highly luminous starburst galaxies.
Theoretical physicists establish a close connection between quantum information theory and non-invertible symmetries in particle and condensed matter theories. A recent study proves that any non-invertible symmetry operation is a quantum operation, providing a general property of these operations.
A team of researchers discovered a universal inequality between energy transfer rate, information transfer rate, and Hilbert space size, showing that both require sufficient states to transmit. This breakthrough sheds new light on the challenging problem of calculating these quantities.
A team of researchers observed two galaxies merging 12.8 billion years ago, forming a massive object that triggered rapid growth of supermassive black holes and starburst activity. The discovery provides new insights into galaxy/black hole formation in the early Universe.
Astronomers found the earliest pair of quasars, revealing a bridge of gas between merging galaxies at 900 million years after the Big Bang. This discovery clarifies the role of galaxy mergers and black hole activity in the Universe's evolution.
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.
Researchers used a Compton camera, originally designed for astronomy, to capture the polarization of gamma rays emitted from atomic nuclei. This revealed the internal structure of the atomic nuclei and significantly reduced uncertainties in determining spin and parity.
A team of researchers analyzed over one million galaxies to explore the origin of cosmic structures. They found statistically significant alignments between distant galaxy shapes and correlations between independent formation processes.
Researchers developed a new method that accumulates drugs in cancer lesions while rapidly clearing them from healthy tissues. The method uses radiopharmaceuticals with a new ligand that promotes rapid excretion, reducing toxicity and improving treatment outcomes.
New study finds that neglecting gravitational lensing in CMB polarization analysis leads to statistically rejected theories and biased model parameters. Researchers develop tool for correcting gravitational lensing effects, paving way for future missions to reveal nature of dark matter and dark energy.
A new study detects starlight from two massive galaxies hosting actively growing black holes, seen less than a billion years after the Big Bang. The findings suggest that the relationship between black holes and their host galaxies was already in place 860 million years ago.
Kavli Institute researchers found that oscillon decay can generate detectable gravitational waves, offering a novel test of early Universe dynamics. This discovery provides a new window into the earliest moments of the Universe and may help address pressing cosmological questions.
A team of scientists has successfully verified strong-field quantum electrodynamics with exotic atoms, using muonic atoms to measure the energy spectrum of characteristic X-rays emitted from neon gas. The results demonstrate a significant step towards verifying fundamental physical laws under strong electric fields.
A team of researchers used machine learning to analyze elemental abundances in over 450 extremely metal-poor stars. The study found that 68% of these stars have a chemical fingerprint consistent with enrichment by multiple supernovae, providing the first quantitative constraint on the multiplicity of the first stars. This challenges th...
A team of researchers has successfully captured highly polarized X-ray transitions using a combination of state-of-the-art instruments. The experiment revealed the presence of quantum interference effects, which were initially thought to be absent in atomic physics.
A team of researchers found the earliest evidence of heated gas in a galaxy protocluster, indicating temperatures characteristic of the present-day 'Warm-Hot Intergalactic Medium'. This discovery provides insight into the mechanisms that caused the intergalactic gas to boil up and offers a unique window into the early universe.
Researchers have measured the size-luminosity relation of galaxies less than a billion years after the Big Bang for the first time. The team used multiband imaging data from the GLASS-JWST program to study galaxy properties in rest-frame optical and UV bands.
Researchers propose using space atomic clocks to detect ultralight dark matter oscillations near the Sun. The experiment aims to probe a region with minimal constraints on dark matter density, potentially leading to world-leading limits on dark matter searches.
A study found that COVID-19 increased overall astronomy research output due to improved work arrangements and virtual technologies. However, it hindered the entry of new and female researchers into the field, with productivity being worst affected among female astronomers.
Researchers used muon beams to analyze Asteroid Ryugu samples, finding essential elements like carbon, nitrogen, and oxygen. However, the oxygen abundance relative to silicon was 25% less than expected, suggesting contamination after atmospheric entry.
Researchers discovered varying attitudes towards AI ethics, legal issues, and social implications in Japan, the US, and Germany. The study found that older respondents were more concerned about AI and ELSI issues, while those familiar with AI prioritized legal concerns.
A team of researchers has detected a small satellite galaxy of the Milky Way filled with dark matter using gamma-ray emissions. The discovery was initially thought to be indicative of dark matter annihilation, but further analysis reveals that millisecond pulsars are more likely to be the source of the emission.
Researchers have discovered a new type of transient phenomenon, the Fast Blue Ultraluminous Transient (FBUT), which is as bright as a superluminous supernova but evolves much faster. The team used the Subaru Hyper Suprime-Cam to capture the event for the first time and analyzed its multiband light curve data.
A team of researchers suggests millisecond pulsars could be responsible for the unexplained gamma-ray signal from the Milky Way center. The study proposes a new population of astrophysical sources in the Galaxy's center, which would help understand the star formation history of our Milky Way.
A team of researchers created simulations that directly recreate the full life cycle of massive galaxy protoclusters 11 billion years ago. They were able to identify five new structures and disfavor one, providing insights into the standard model of cosmology.
A team of researchers has drawn new limits on the existence of long theorized magnetic monopoles by combining cosmic rays with particle accelerators. By re-analyzing data from previous experimental searches, they identified novel limits on monopoles across a wide range of masses.
A team of researchers has developed a method for non-destructive 3D elemental analysis using muonic x-rays and a CdTe double-sided strip detector. This technique allows for the creation of 3D images of sample composition without damaging the material, with potential applications in archaeology and planetary science.
A team of researchers developed a biomedical imaging system using a semiconductor detector originally designed for space observations, and applied spectral analysis techniques from astronomy to create accurate images of radionuclides in small animals. The new method uses fitting to eliminate noise and improve spatial resolution.
Researchers from Kavli Institute and University of Minnesota create new optical element using alumina, improving telescope performance in studying cosmic microwave background (CMB) radiation. The innovation reduces reflections by fifty-fold, allowing for more efficient instruments to study the Big Bang and universe's evolution.
Two recent studies explain the origin of Fast Blue Optical Transients (FBOTs), such as AT 2018cow and SN 2018gep. The research teams propose that pulsational pair-instability of massive stars may cause variation among FBOTs, leading to a range of supernova luminosities.
A new paper proposes a novel mechanism for detecting gravitational waves at lower energies, expanding the scope of the upcoming LiteBIRD mission. This could provide insights into the physics of the early Universe and test inflationary scenarios operating at lower energies.
An international team of astronomers has created a new map of the Milky Way's outer disc, showing remains of tidal arms excited from interactions with satellite galaxies in the distant past. The map reveals numerous previously unknown filamentary structures at the edge of the disc.
A team of researchers proposes detecting Q-balls in gravitational waves, which could explain the Big Bang's matter-anti-matter asymmetry. If successful, it would confirm a theory on why more matter was left over after the universe's first second.
Researchers discovered a Type Ia supernova with an unusually fast and prominent early optical flash, which they believe is due to the interaction between supernova ejecta and circumstellar material. The team's findings provide new insights into the origins of these spectacular phenomena.
A theoretical physicist has proved a decades-old claim that Quantum Chromo Dynamics (QCD) leads to light-weight pions, resolving the mystery of confinement. By using supersymmetry and anomaly mediation, Principal Investigator Hitoshi Murayama showed QCD indeed creates pions with extremely small mass.
Researchers propose searching for an axion analogue of the Cosmic Microwave Background (CMB) to learn about the early Universe. If successful, this could reveal new insights into dark matter, phase transitions, and inflation.