Astronomers identify GNz7q, a dusty compact object with properties of both galaxies and quasars, born 750 million years after Big Bang. The discovery provides new insights into the rapid growth of supermassive black holes in early universe.
Researchers have created the Thesan simulation, a cubic volume spanning 300 million light years across, to study cosmic reionization and galaxy formation. The simulation aligns with observations and sheds light on key processes, such as how far light can travel in the early universe.
Roman will explore cosmic acceleration using multiple methods, including spectroscopy and imaging surveys. The mission aims to create a 3D map of the universe by measuring accurate distances and positions of millions of galaxies.
Physicist Dr Melvin Vopson's latest experiment aims to detect and measure information in elementary particles using particle-antiparticle collision. If successful, it could confirm information as the fifth state of matter, changing our understanding of the universe.
Researchers at Brookhaven Lab propose a cosmological phase transition as the key to supermassive black hole formation in the early universe. This process, facilitated by ultralight dark matter particles, enabled efficient collapse of matter into black holes.
Researchers predict LISA will detect new fundamental fields, shedding light on dark matter and the universe's expansion. The space interferometer will observe gravitational waves from extreme mass-ratio inspirals, providing a unique opportunity to probe strong-field gravity.
A team of astronomers discovered an unusual massive cluster of young galaxies forming in the early universe. The newly found growing galactic metropolis, MAGAZ3NE J0959, consists of at least 38 member galaxies and is about 11.8 billion light-years away from Earth.
A new FQXi report re-assesses the 'fine-tuned universe' hypothesis, proposing that intelligent life could have evolved under drastically different physical conditions. This challenges popular arguments for a multiverse and suggests that the universe may be able to produce life under a wider range of circumstances than previously thought.
Researchers tracked 10,000 galaxies and clusters over 11.5 billion years, revealing complex motions influenced by gravity and the Big Bang theory. The study provides new insights into the formation history of large-scale mass structures in the universe.
A team of astrophysicists has discovered a new method to measure the cosmic microwave background radiation's temperature at an early epoch of the universe. By observing HFLS3, a massive starburst galaxy, they found a cold water cloud that casts a shadow on the microwave radiation, revealing the Big Bang's relic temperature.
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.
Researchers estimate 1% of ordinary matter is locked up in stellar mass black holes, with 40 trillion black holes in observable Universe. The study uses a new method combining stellar evolution codes and empirical prescriptions for galaxy properties.
A new framework, the 'impact universe,' helps policymakers think holistically about the potential impacts of IoT systems and devices. This approach considers environmental, social, economic, and other factors to develop effective policy and societal controls.
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.
Researchers found a powerful black hole in a nearby galaxy that may have played a key role in the universe's reionization process. The discovery sheds light on how the first stars and galaxies formed, with implications for our understanding of the universe's evolution.
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 develop new model using Mori-Zwanzig formalism to account for uneven matter distribution in the universe. The model predicts a deviation in cosmic expansion speed, offering an opportunity for experimental testing and resolving the enigma of dark energy.
Researchers have detected water and carbon monoxide molecules in the largest galaxy in the early Universe, located nearly 13 billion light-years from Earth. This finding provides insight into the formation of life-creating elements in the earliest galaxies.
A new study suggests that black holes grow in lockstep with the expanding universe, a phenomenon called cosmological coupling. This idea improves the explanation for large black hole masses observed in gravitational wave observatories.
Researchers at the University of Groningen have successfully trapped molecules of strontium fluoride, setting a new record for molecular trapping. This achievement is significant because it allows scientists to investigate the fundamental laws of the universe, including the asymmetry between matter and anti-matter.
The BICEP3 experiment has ruled out several popular inflation models, including some motivated by string theory. The findings suggest that the correct model will be slightly more complicated than those ruled out, but still offer a wide range of viable alternatives.
The AbacusSummit simulations are the largest-ever produced, clocking in at nearly 60 trillion particles. They will help scientists extract information about the universe from upcoming surveys of the cosmos.
Researchers examine the accelerating expansion of the Universe, a phenomenon driven by dark energy. The study reveals disparities between observations and theoretical models, highlighting the need for new understanding and precision experiments.
Researchers estimate that the visible universe contains approximately 6 times 10 to the power of 80 bits of information. This numerical prediction offers a potential avenue toward experimental testing and refining predictions, including research into the hypothesis that information is the fifth state of matter in the universe.
Researchers at the University of Birmingham explore new approaches to detecting low-frequency gravitational waves using pulsars and other measurements. They suggest combining these methods with observations from projects like Gaia, which could help disentangle and interpret signals from the earliest periods of the universe.
Researchers have discovered six early massive galaxies that have run out of fuel, contradicting expectations of the early Universe. The galaxies' cessation of star formation was not caused by inefficiency, but rather depletion or removal of gas reservoirs.
Researchers from Australian National University confirm that star-forming galaxies are responsible for creating gamma-rays that had been puzzling astronomers. The discovery sheds light on the origins of these mysterious emissions and could provide clues to understanding Dark Matter.
Researchers created a massive virtual universe, Uchuu, consisting of 2.1 trillion particles in a computational cube spanning 9.63 billion light-years. The simulation allows for the study of dark matter and large-scale structure on an unprecedented scale.
A new study found a low rate of lithium production in a classical nova, indicating diversity within these events. This discovery suggests that other objects, such as supernovae, may also contribute to lithium production in the Universe.
A team of Japanese astronomers developed a new AI technique to remove noise in astronomical data. They applied this tool to actual data from Japan's Subaru Telescope and found consistent results with currently accepted models of the Universe. This powerful new tool will analyze big data from current and planned astronomy surveys.
Japanese astronomers developed an AI technique to remove noise in galaxy shapes caused by random variations. The new tool was applied to actual data from Japan's Subaru Telescope and found consistent results with accepted models of the Universe.
Astronomer Wendy Freedman's review paper suggests that recent observations are closing the gap between different measurement methods for the Hubble constant. The latest data from red giant stars and cosmic microwave background experiments agree within 1% of each other, indicating no need for fundamental new physics.
A new study suggests that cosmic dawn, when stars formed for the first time, occurred between 250 and 350 million years after the beginning of the universe. The study used data from the Hubble and Spitzer Space Telescopes to estimate the age of distant galaxies.
Scientists will use six distant quasars to study galaxy evolution, supermassive black hole formation, and gas in the intergalactic medium. The team will examine the properties of these quasars and their host galaxies during the first stages of galaxy evolution.
The Cosmic Infrared Background Experiment-2 (CIBER-2) has completed a successful first launch, aiming to better understand extragalactic background light and resolve discrepancies about the number of stars in the universe. The experiment will analyze data collected during four planned launches over several years.
A team of researchers has proposed a new explanation for the origin of supermassive black holes, suggesting that they are formed through the collapse of a massive seed black hole produced by the gravitational instability of a dark matter halo. This process, known as gravothermal collapse, can lead to the creation of a seed black hole w...
A team of astronomers mapped molecular clouds in the nearby Universe, discovering diversity in stellar nurseries across 90 galaxies. The study found that location and environment play a critical role in star formation, with clouds in dense central regions being more massive and turbulent.
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.
Researchers from NCRA-TIFR and RRI used the Giant Metrewave Radio Telescope to measure the atomic hydrogen gas content of galaxies 9 billion years ago. They found that galaxies at this time were rich in gas, with nearly three times as much mass in atomic gas as in stars.
A new study highlights the surprising similarities between quark-gluon plasma, the first matter thought to have filled the early Universe, and ordinary liquids. The ratio of viscosity and density is crucial in determining fluid flow, and researchers found that this ratio is the same for both quark-gluon plasma and water.
The Dark Energy Survey has released its most precise look at the universe's evolution, using data from 226 million galaxies observed over nearly one-eighth of the sky. The results confirm the current best model of the Universe, but hint that the Universe today is a few percent less clumpy than predicted.
Roman will study thousands of type Ia supernovae across vast distances to pin down dark energy and understand the universe's expansion history. The mission aims to clarify discrepancies in measurements of the Hubble constant, which describes the current expansion rate.
Researchers have created a new map of dark matter in the local universe using machine learning, revealing previously undiscovered filamentary structures connecting galaxies. The map provides a detailed understanding of the distribution of dark matter and its gravitational influence on galaxies.
A $1.2 million NSF EPSCoR grant will establish a new faculty position, support postdoctoral researchers and graduate students, and fund work on neutrino detection at IceCube and RNO-G observatories. The research aims to improve calibration of massive instruments and develop advanced data analysis techniques.
The DESI instrument will capture light from tens of millions of galaxies and other distant objects to construct a detailed three-dimensional map of the universe. The data will help scientists better understand dark energy's repulsive force and its impact on the expansion of the universe.
Researchers at Carnegie Mellon University have developed a technique using machine learning and high-performance computing to simulate complex universes in less than a day. The approach enables high-resolution cosmology simulations, advancing physics research and providing new insights into the universe's mysteries.
Researchers observed the first-ever galaxy in a 'blow-away' state, which suggests that small galaxies were responsible for reionization. The study reveals that intense star-formation can cause galaxies to lose their hydrogen clouds, allowing high energy light to escape.
A new simulation study led by UCL researchers suggests that studying black hole-neutron star collisions could provide a new measurement of the Universe's expansion rate, helping to resolve a long-standing dispute. The study found that instruments on Earth could detect ripples in space-time caused by up to 3,000 such collisions by 2030.
Astronomers used ALMA to discover a rotating baby galaxy, providing insights into the early Universe. The galaxy, RXCJ0600-z6, is about 1/100th the size of the Milky Way and has a mass of 2-3 billion times that of our Sun.
The LHCb experiment has probed the nature of physics for ten years, examining CP violation and symmetry between matter and antimatter. The review highlights its achievements in studying heavy quarks and their interactions, shedding light on the universe's fundamental questions.
Scientists from Argonne National Laboratory and Fermi National Accelerator Laboratory have conducted an experiment to test the current understanding of the universe. The first result points to the existence of undiscovered particles or forces, which could help explain long-standing scientific mysteries like dark matter.
Two close quasar pairs are found in distant merging galaxies, separated by just over 10,000 light-years. This discovery provides crucial insight into the existence of supermassive black hole pairs and galaxy mergers in the early Universe.
Researchers from Göttingen and Auckland universities simulated microscopic clusters from the Big Bang, discovering complex networks of structures that mimic today's galaxy distribution. These primordial clumps would have masses of only a few grams and be incredibly small.
Scientists from the NANOGrav Collaboration detected very low-frequency gravitational waves with potential implications for dark matter research. The signals are consistent with phase transitions in the early universe and extremely light axion-like particles, considered promising candidates for dark matter.
A new estimate of the local expansion rate, using a relatively new technique for measuring cosmic distances, finds that the universe is expanding at 73.3 km/sec/Mpc, in the middle of three other good estimates. This discrepancy between estimates raises concerns about understanding the physics and evolution of the universe.
Astronomers have found the most distant cosmic jet, providing insights into how galaxies evolved and supermassive black holes grew when the universe was only 780 million years old. The quasar, with a massive black hole 300 million times more massive than the Sun, has a jet of fast-moving particles about 1,000 years old.
A new study advances a decisive test to investigate the origin of solar-mass black holes, which may be connected to dark matter. The research suggests that such black holes could have formed in the early Universe, contradicting conventional stellar evolution astrophysics.
Researchers propose a new type of dark energy that could explain conflicting measurements of the universe's expansion rate. The theory suggests that dark energy underwent a phase transition triggered by the universe's expansion, resulting in a more consistent explanation for observed phenomena.
A new study led by IAC researchers using the OSIRIS instrument on GRANTECAN has discovered the most densely populated galaxy cluster in formation in the primitive universe. The cluster, located 12.5 billion light years from us, is made up of galaxies with normal star formation rates and is predicted to evolve into a Virgo-like cluster.
Researchers developed COSMIC BIRTH to analyse large-scale cosmic structures, expressing observations as if detected in the early universe. The algorithm uses sampling techniques to deal with high-dimensional spaces, enabling the study of galaxy clusters and their formation.