Researchers confirmed that Maisie's Galaxy is at a high redshift of z ≈ 11.5 and disproved the existence of a previously thought-to-be-most-distant galaxy. The study also revealed another galaxy at a lower redshift, contradicting initial theories.
A new study reveals that a massive galaxy cluster collision at half the Universe's current age is inconsistent with the standard Lambda-cold dark matter (ΛCDM) model. The El Gordo cluster, with a mass 2000 trillion times that of the Sun, challenges the theory's predictions for structure formation and galaxy evolution.
Researchers using ALMA detected a fully formed magnetic field in a distant galaxy, similar to nearby galaxies, which provides new insights into the formation of galactic-scale magnetic fields. The discovery suggests that intense star formation in the early Universe could have played a role in accelerating the development of these fields.
Astronomers have confirmed that Maisie's galaxy is among the earliest galaxies detected by the James Webb Space Telescope. The galaxy, first spotted last summer, is estimated to be 390 million years after the Big Bang, making it one of the four earliest confirmed galaxies observed.
Researchers have discovered quasar-driven superbubble pairs, providing evidence for the outflow mechanism in galaxy evolution. These pairs, which extend over 60,000 light-years, are generated by quasars driving gas into intergalactic space.
The James Webb Space Telescope has captured a new image of the 'El Gordo' galaxy cluster, revealing dusty objects and distorted background galaxies. Gravitational lensing provides a unique window into the distant universe, allowing scientists to study star formation history and assembly of galaxies.
A new study by SISSA has identified the distribution of water vapour in galaxy J1135, which is 12 billion light years away. The researchers used gravitational lensing to observe this remote galaxy and ALMA observations to map its water distribution.
The galaxy NGC 1277, a massive relic galaxy, has been found to lack dark matter, contradicting current cosmological models. The team used integral field spectrograph observations to determine the mass distribution within the galaxy, revealing that it is solely composed of stars.
Researchers at U.S. National Science Foundation's IceCube Neutrino Observatory reveal a galactic portrait made with particles of matter, unlike any before, by determining the origin of thousands of neutrinos. The breakthrough allows for the first 'ghost particle' image of the Milky Way galaxy.
IceCube researchers have produced an image of the Milky Way using neutrinos for the first time, suggesting that cosmic ray interactions are more intense in the galaxy's center than previously thought. This achievement is made possible by advancements in Machine Learning, enabling deeper analysis of the data.
The IceCube Neutrino Observatory has produced an image of the Milky Way using neutrinos for the first time. The high-energy neutrinos were detected from the galactic plane, confirming what is known about our galaxy and cosmic ray sources.
Researchers create precise temperature map of a distant galaxy, separating heat sources from a supermassive black hole and newly-formed stars. This discovery provides new insights into the growth rate of galaxies in the early Universe.
A team of astronomers using the James Webb Space Telescope has detected complex organic molecules in a galaxy over 12 billion light-years away. The discovery suggests that the presence of these molecules does not necessarily indicate star formation, contradicting a long-held assumption.
Researchers have detected complex organic molecules in a galaxy more than 12 billion light-years away from Earth. The study used the James Webb Space Telescope and gravitational lensing to observe the galaxy's atomic and molecular composition, revealing insights into the formation of galaxies, their lifecycle, and how they evolve.
A team of researchers has developed a new method to measure the mass of quasar host galaxies with unprecedented precision using strong gravitational lensing. This technique allows scientists to better understand galaxy formation and black hole development in the distant universe.
A research group led by NCKU professor I-Non Chiu conducted the first cosmological study on galaxy clusters identified by eROSITA, analyzing 550 galaxy clusters. The results suggest that Dark Energy occupies up to 76% of the total energy density in the Universe.
Researchers at IAC propose that a mysterious trail of stars may be a galaxy without a bulge seen edge-on. The study finds surprising agreement with a local galaxy, IC5249, and suggests that the object behaves like a typical galaxy. This new theory simplifies the explanation for the phenomenon.
Scientists observe streams of intergalactic gas enriched with elements heavier than helium surrounding a massive galaxy. The findings suggest that the gas was recycled during earlier periods of star formation and is now fueling the galaxy's rapid growth.
Researchers have discovered a tiny galaxy with big star power using the James Webb Space Telescope, providing new insights into the universe's early stars. The galaxy is one of the smallest ever discovered at this distance—around 500 million years after the Big Bang—and generated new stars at an extremely high rate for its size.
The James Webb Space Telescope has observed six galaxies that defy the standard model of cosmology, with masses billions of times that of our sun. These findings suggest alternative theories on galaxy formation and expansion rates shortly after the Big Bang.
Astronomers have mapped the M87 galaxy's 3D structure and determined its supermassive black hole has a mass of 5.37 billion times that of the sun. The galaxy's asymmetrical shape allows for more precise measurements, including the rotation rate of 25 kilometers per second around an axis 40 degrees from the long axis.
Astronomers use the Hubble Space Telescope and Keck Observatory to measure the 3D shape of galaxy M87, revealing a 'potato-shaped' triaxial form. The team also determines the mass of the supermassive black hole at the galaxy's core, estimating it at 5.4 billion solar masses.
A recent study using JWST observations of a compact galaxy at redshift 9.5 has provided insights into its physical properties. The analysis reveals that the galaxy has a remarkably small radius of 16.2 parsecs, suggesting high density star formation and an abundance of oxygen and hydrogen.
A team of scientists from Kyoto University has confirmed that galaxy alignments can be a powerful probe for dark matter and dark energy. The analysis of 1.2 million galaxy observations verified general theory of relativity at vast spatial scales, providing strong evidence for gravity's role in shaping the universe.
Researchers found consistent results between observations and theory, showing that clusters have become more centrally concentrated over time. The study provides strong support for the Lambda-CDM paradigm by demonstrating agreement between the observed and simulated concentration-mass relation of galaxy clusters.
Researchers have detected a cold stream of atomic carbon gas feeding star formation in a massive radio galaxy. The findings support theoretical models and offer insights into the origins of cosmic materials enabling galaxy evolution.
Researchers have discovered a large reservoir of hot gas in the Spiderweb galaxy cluster, which is believed to be on its way to becoming a massive galaxy cluster. The detection was made using ALMA and provides valuable information about the early Universe's structure formation.
Researchers modeled how elements move across star-forming regions, finding that galactic winds influence temperature and metal distribution. The study's findings suggest a non-spherical wind pattern, contrary to previous spherical models.
A team of astronomers has discovered an ultramassive black hole in the foreground galaxy, with a mass estimated to be over 30 billion times that of our Sun. This massive object was detected using gravitational lensing and supercomputer simulations.
Scholars developed an AI program using symbolic regression to improve mass inferences of galaxy clusters. The new equations extract jelly at the center and concentrate on doughy outskirts for reliable mass inferences.
Astronomers have discovered a galaxy with a unique activity in its core, leading to a reclassification as a giant radio galaxy. The PBC J2333.9-2343 galaxy has a blazar at its center with jets that changed direction drastically by up to 90 degrees.
Researchers found that compact, low-power jets can disrupt gas distribution and accelerate it, leading to unexpected turbulence. The study challenges previous beliefs about the impact of low-power jets on galaxies.
Researchers at Osaka Metropolitan University used AI to create a detailed map of star birthplaces in the Milky Way Galaxy. The team identified 140,000 molecular clouds and estimated their distance, size, and mass with high accuracy.
Astronomers have discovered a companion galaxy to z~4 starburst galaxy, rich in metals and dust. The galaxy, labeled SPT0418-SE, is remarkably mature considering its young age of 1.4 billion years.
Astronomers have discovered a rapidly growing supermassive black hole in the very early Universe, which provides new clues on its formation. The galaxy, named COS-87259, contains over a billion solar masses worth of interstellar dust and is forming stars at a rate 1000 times that of our Milky Way.
Researchers used the Dark Energy Spectroscopic Instrument to study the motions of nearly 7500 stars in the inner halo of the Andromeda Galaxy. They found telltale patterns that revealed how these stars began their lives as part of another galaxy, shedding light on galactic immigration events.
A mysterious, extremely remote celestial body has been identified as a young, compact galaxy forming stars at an incredibly high rate of 1000 times the Milky Way's. Its features were finally described by a team from SISSA using ALMA interferometer technology.
The James Webb Space Telescope has enabled the detection of compact structures of star clusters inside galaxies, known as clumps. Researchers have studied the link between clump formation and galaxy growth in distant galaxies, providing new insights into the early stages of galaxy formation.
Researchers found a 200,000-light-year-long stellar tail emanating from F8D1, suggesting recent interaction with another galaxy. The discovery provides crucial evidence for understanding the origins of ultra-diffuse galaxies.
Researchers detect radio signal from record-breaking distance galaxy, measuring gas composition and gaining insights into the early universe. The signal was amplified by a factor of 30 using gravitational lensing, allowing scientists to study a previously inaccessible region.
Researchers have detected a radio signal from atomic hydrogen in an extremely distant galaxy at redshift z=1.29, marking the largest distance so far. The signal was amplified by gravitational lensing, allowing the team to observe the galaxy's atomic hydrogen mass, which is almost twice its stellar mass.
Researchers used the Panchromatic Hubble Andromeda Treasury Triangulum Extended Region — or PHATTER — survey to study the Triangulum galaxy. The team discovered two drastically different structures depending on the age of the stars, with younger and older stars having distinct distributions.
A new analysis of distant galaxies imaged by the James Webb Space Telescope shows they are extremely young and share similarities with 'green peas,' a rare class of small galaxies. The galaxies include what might be the most primitive galaxy identified so far, with some containing only 2% the oxygen of our own galaxy.
Researchers used variable stars as standard candles to measure galactic distances, tracing the outer limits of the Milky Way's halo. The study confirms theoretical estimates and provides a powerful tool for studying the galaxy's size and mass.
Large gamma-ray emitting bubbles are produced by fast blowing outward winds and the associated reverse shock. Numerical simulations successfully reproduced the temperature profile observed by an X-ray telescope, supporting this scenario.
Researchers used AI to classify galaxies by their shape, leveraging the EAGLE simulation. The study suggests spiral galaxies lose gas as they merge with other galaxies, transforming into elliptical shapes. The findings bring together various pieces of research, providing a new understanding of galaxy evolution and morphology.
Scientists measure antihelium nuclei survival rate at ALICE experiment, laying foundation for dark matter search. Galaxy found to be 50% permeable for antinuclei, with implications for future experiments and search for antimatter in space.
Astronomers have uncovered a nearby galaxy, HIPASS J1131–31, nicknamed 'Peekaboo,' which has characteristics reminiscent of galaxies in the distant, early universe. The tiny galaxy is only 20 million light-years from Earth and exhibits extreme metal-poor properties.
Physicist Ferah Munshi is testing self-interacting dark matter with galaxy formation simulations to test CDM and SIDM paradigms. The study aims to reproduce diverse galaxy densities and shapes, shedding light on the universe's smallest-scale mysteries.
Researchers analyzed NGC 7469 with the JWST's mid-infrared detection instruments, revealing detailed dynamics of an active galactic nucleus and its impact on surrounding star-forming regions. The study sheds light on the effects of supermassive black hole winds on galaxy evolution.
Astronomers used the Young Supernova Experiment to detect an intermediate-mass black hole in a dwarf galaxy, revealing its mass and providing insight into supermassive black hole growth. The study aims to improve understanding of black hole-galaxy relationships and inform theories on supermassive black hole formation.
A team of researchers has discovered a steady stream of neutrinos emitted by the active galaxy NGC 1068, using the IceCube Neutrino Observatory. This detection provides valuable information about the extreme particle acceleration and production processes occurring within the galaxy's central region.
A team of astronomers used the James Webb Telescope to identify five ancient globular clusters, potentially containing the first and oldest stars in the universe. The clusters were formed close to the Big Bang, offering insights into star formation and galaxy evolution.
Astronomers using the VLA discovered that fast-moving cosmic ray electrons drive winds in the neighboring galaxy M33, slowing down new star formation. This finding challenges previous theories, suggesting cosmic rays are a more general cause of galactic winds.
Astronomers have discovered a rare system featuring a black hole spewing a jet at a neighboring galaxy, providing insights into radio jet feedback and its impact on star formation. The unique nature of RAD12 has allowed researchers to study the interaction between the black hole's jet and the companion galaxy.
The study finds that galaxies with bigger bulges tend to spin perpendicular to filaments, while smaller-bulged galaxies spin parallel. Galaxy mergers cause spin flips as galaxies move along filaments.
A new study has created the first map of the Milky Way's ancient dead stars, which reveals a 'galactic underworld' stretching three times the height of the galaxy. The map shows that almost a third of objects have been flung out from the galaxy, with neutron stars and black holes formed when massive stars collapse.
Researchers using JWST's First Deep Field image identified the most distant globular clusters, potentially relics of the first and oldest stars. These discoveries provide a detailed look at the earliest phase of star formation, confirming JWST's power in uncovering the universe's origins.
A team of researchers at Lund University used Gaia space telescope data to study the outer disk of the Milky Way, finding large parts vibrate due to a passing dwarf galaxy. This 'galactic seismology' provides clues about Sagittarius' history and orbit around our home galaxy.
A new simulation suggests that gravitational interactions, not over-eating, are responsible for the Milky Way Galaxy's peanut-shaped and nuclear bulges. The study reveals a clear break in star ages between the two types of bulges, indicating when the bar formed.