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.
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 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.
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.
A team of researchers has discovered that gamma-ray radiation from the Sagittarius Dwarf galaxy can be explained by millisecond pulsars, ruling out dark matter annihilation as a possible explanation. The study reveals that these stellar objects are efficient accelerators of high-energy electrons and positrons.
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.
Scientists discovered that the galaxy stopped forming stars because most of its gas fuel was thrown out of the system as it merged with another galaxy. The result is a first for ALMA scientists and challenges long-held theories about galaxy mergers and deaths.
A Northwestern University study reveals that X-shaped radio galaxies can form through a surprisingly simple process. The simulation, which tracked galactic gas far from the supermassive black hole, found that the galaxy's characteristic X-shape resulted from interaction between jets and infalling gas.
New research from Curtin University reveals that comets may have formed Earth's early continents when the Solar System passed through densely populated areas of the Milky Way Galaxy. The study found a rhythm of crust production every 200 million years matching the system's transit through galaxy arms.
Researchers used microwaves from the cosmic microwave background to measure dark matter distribution around distant galaxies. The findings suggest a different clumpiness measurement than predicted by the Lambda-CDM model, hinting at a possible flaw in the current cosmology theories.
Researchers have detected the most distant galaxy rotation ever observed, suggesting an initial stage of rotational motion development. The galaxy's rapid rotation and small diameter provide valuable insights into its age and evolution.
Scientists have discovered a new, extremely faint galaxy named Pegasus V, located on the outskirts of Andromeda. The dwarf galaxy is believed to be one of the oldest in the universe, with its stars forming over 13 billion years ago.
A team of astronomers discovered an unusual ultra-faint dwarf galaxy, Pegasus V, on the outer edge of the Andromeda Galaxy using NSF's NOIRLab facilities. The galaxy appears to be extremely deficient in heavier elements, indicating it is very old and likely a fossil of the first galaxies.
A new technique has identified previously hidden protoclusters that could reveal new details about galaxy evolution. The ancestors of large galaxy clusters were found to be hiding in plain sight, with some protoclusters harboring unseen galaxies that evolved differently.
Researchers using ALMA have observed significant cold gas in the outer regions of A1689-zD1, a young, active star-forming galaxy. The findings suggest that early galaxies like A1689-zD1 may be larger and more complex than previously believed.
Researchers studied over 500 stars in a region of Andromeda called the Northeast shelf, finding conclusive evidence of an ancient collision. The findings provide insights into how material from collisions shapes a galaxy's appearance and makeup.
Astronomers used the Cosmic Evolution Survey to discover active supermassive black holes in distant galaxies. These findings suggest that a supermassive black hole can disrupt gas and prevent star formation, leading to the sudden end of galaxy star formation.
Astronomers have discovered the most distant galaxy candidate yet, named HD1, with a distance of approximately 13.5 billion light-years. If confirmed by observations with the James Webb Space Telescope, HD1 will be the most distant galaxy ever recorded.
Researchers used a powerful laser facility to create extreme conditions similar to those in gigantic galaxy clusters. The experiments revealed hot and cold spots in the plasma, supporting one theory for how heat is trapped inside galaxy clusters.
Researchers analyzed individual stars to identify components of the Milky Way, finding that it consumed smaller galaxies. The study used advanced spectrographic techniques to measure elemental abundances, providing early insights into the galaxy's formation and evolution.
Astrophysicists have calculated the original mass and size of a dwarf galaxy torn apart in a collision with the Milky Way billions of years ago. The reconstructed galaxy's stars now stream through the Milky Way, carrying information about its gravitational field.
Researchers created a new sample catalog of over 24 million stars to decipher the chemical history of the Milky Way Galaxy. The catalog provides detailed information on elemental abundances, distances, motions, and ages of individual stars, allowing for a better understanding of the galaxy's formation and evolution.
The study found a decline in star formation from low-ionization BAL to high-ionization BAL and a rebound of this process from HiBAL to non-BAL. The researchers proposed an evolutionary model to explain the results, suggesting that the outflow caused by AGNs has a global negative feedback on galaxy evolution.
Astronomers have discovered that a black hole at the center of the Henize 2-10 galaxy is actively promoting new star formation, with newborn clusters spotted along an outflow of gas stretching 230 light-years from the black hole. This finding sheds light on the origins of supermassive black holes in the early universe.
Researchers have discovered a treasure trove of previously unknown globular clusters in the outer regions of Centaurus A, an elliptical galaxy. The study provides new insights into galaxy formation and the distribution of dark matter in the universe.
Astronomers captured the most comprehensive image of radio emission from a supermassive black hole in the Centaurus A galaxy, powered by in-falling gas. The eruption extends eight degrees across the sky, spanning 16 full moons, and reveals spectacular new details of the radio emission.
Three young stars have been discovered at the center of our galaxy, contradicting initial assumptions about a gas and dust cloud called G2. The unusual temperature of G2 has sparked debate among astronomers, but new observations reveal it is actually composed of three evolving young stars.
Astronomers used the VLA to reveal a double helix structure in the magnetic field of M87's jet, tracing material out to nearly 3,300 light-years. The findings suggest that instabilities in the flow of material within the jet could produce the observed double-helix structure.
Researchers have found no dark matter in the ultra-diffuse dwarf galaxy AGC 114905, which can be explained by normal matter. The discovery confirms previous measurements and raises questions about the existence of dark matter in galaxies.
Scientists from Niigata University, Academia Sinica Institute of Astronomy and Astrophysics, and the National Astronomical Observatory of Japan detected a newborn star and its surrounding cocoon of complex organic molecules in the extreme outer Galaxy. The discovery reveals the hidden chemical complexity of our Universe.
Astronomers at UT Austin's McDonald Observatory have discovered a massively dense black hole at the center of dwarf satellite galaxy Leo I, revealing an unprecedented mass ratio between the galaxy and its central black hole. This finding shakes up our understanding of galaxy evolution and dark matter distribution.
Researchers used NASA's Hubble Space Telescope to focus on a post-starburst galaxy nearly 500 million light years away. They discovered two periods of intense starburst before the galaxy stopped forming stars, shedding new light on its history and evolution.
Researchers detected gamma rays from ultra-fast outflows (UFOs) launched by supermassive black holes, providing a basis for understanding their role in regulating black hole growth and galaxy evolution. UFOs create shock waves that accelerate charged particles, influencing the surrounding matter and accelerating star formation.
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.
Astronomers have discovered a massive galaxy protocluster, believed to be a 'galaxy shipyard', in the distant universe. The discovery provides insights into galaxy cluster formation and sheds light on the process of galaxies forming into clusters.
A team of astronomers used Hubble and Gran Telescopio Canarias data to study faint galaxies, revealing a 'fitful' start to the Universe. The first stars likely formed in bursts, followed by long periods of inactivity.
An international team used the MUSE instrument to map a galactic wind and observe the formation of a nebula around a galaxy, revealing some of the Universe's missing baryons. This discovery confirms that 80–90% of normal matter is located outside of galaxies.
Researchers have discovered a remnant radio galaxy in Abell2065, providing insights into the dying phase of active galaxies. The discovery showcases the capability of upgraded GMRT to detect such objects, shedding light on their dynamics and evolution.
Researchers create detailed map of Andromeda's disk, identifying region where new stars are born. The study sheds light on thermal and non-thermal emission components in the galaxy.
A team of astronomers has made detailed observations of a large tidal flow around the Sombrero galaxy, revealing its strange morphology and shedding light on its possible merger history. The study's findings suggest that the galaxy's unusual shape may be due to cannibalism by a satellite dwarf galaxy.
Using numerical simulations, researchers showed that satellite galaxies can retain gas and experience new episodes of star formation after passing close to their parent galaxy. This process is driven by the satellite's reserve of cold gas and minimum distance from its parent galaxy.
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.
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.
Measurements of iron spectrum in cosmic rays reveal that hydrogen, carbon, and oxygen nuclei travel through the galaxy similarly, but iron arrives differently. The findings provide a measurement of the galaxy structure and particle propagation through observations of element abundances and energy spectra.
A team of researchers led by Zili Shen and Pieter van Dokkum used Hubble Space Telescope to measure the distance of ultra-diffuse galaxy NGC1052-DF2, confirming it lacks dark matter. The results are based on 40 orbits of the telescope and provide crucial implications for estimating the physical properties of the galaxy.
Scientists confirm NGC 1052-DF2 has only a few percent of expected dark matter content. The discovery using Hubble Space Telescope observations suggests that the galaxy formed in an environment with unusual properties, leading to its isolation.
Satellite galaxies that orbit massive central galaxies can form new stars due to active black holes clearing their path through intergalactic gas. Researchers used systematic observations and cosmological simulations to find this counter-intuitive effect.
A study reveals that black holes have an unexpected effect on galaxy evolution, influencing the formation of stars in satellite galaxies at vast distances. The research found a clear modulation of star formation rates depending on a galaxy's orientation with respect to its central black hole.
Researchers have made a groundbreaking discovery at the center of our galaxy, revealing an X-ray thread and hinting at a previously unknown interstellar energy source. The findings provide the clearest picture yet of a pair of X-ray-emitting plumes emerging from the region near the massive black hole.
Researchers observed plasma jets interacting with magnetic fields in a massive galaxy cluster 600 million light years away. The findings can help clarify how such galaxy clusters evolve, providing new insights into the structure of intracluster magnetic fields.
The discovery of UGC 10738 reveals that galaxies with similar structures and properties are likely common. The galaxy's thick disc consists mainly of ancient stars, while its thin disc stars are more recent and contain more metal.
Researchers discovered a galaxy with a spiral structure 1.4 billion years after the Big Bang using ALMA data. The galaxy's estimated mass is roughly equal to that of the Milky Way and contains a large amount of dust, making it difficult to study in visible light.
Using new methods in astronomy, researchers have identified the most precise ages of red giant stars in the galaxy, shedding light on the timing of the early Milky Way's formation. The study suggests that the merger with the satellite galaxy Gaia-Enceladus occurred around 10 billion years ago.