Researchers found that galaxies with slowly rotating stellar haloes are more likely to have experienced a major disc flip, where the galaxy's disc changed its orientation by more than 90 degrees. This discovery provides clues about how the Milky Way assembled and may offer indirect hints about the motion of its invisible dark matter halo.
A recent study from Florida International University suggests that galaxy mergers are neither necessary nor sufficient to stop galaxies from forming new stars. Instead, slower internal processes are believed to play a much larger role in quenching star formation.
Astronomers at Durham University have discovered the most distant example of a compact, star-forming structure at the heart of a galaxy, dating back over nine billion years. This finding reveals clear evidence of a nuclear disc forming at an early stage in cosmic history.
A team of astronomers used the James Webb Space Telescope to observe gaseous filaments connecting a galaxy's hot atmosphere to its central supermassive black hole. The observations showed that gas flowed along these filaments and poured into a spinning disk, which feeds the SMBH.
Researchers found that the new galaxy has the mass of 100 million suns and no dark matter, suggesting it formed through a violent event without dark matter 'halos'. This discovery provides strong evidence for an extreme process of galaxy formation and offers insight into the nature of dark matter.
Researchers have discovered a 'galaxy-killing wind' that could explain the origin of massive dead galaxies in the early universe. Using JWST and ALMA, they imaged a galaxy one billion years after the Big Bang, revealing a huge plume of cold gas extending far away from it.
A team of astronomers used JWST to detect the motion of stars near a galaxy's center affected by a dormant black hole's gravity. The findings suggest that densest galaxies were sites of rapid black hole growth early in cosmic history.
Astronomers observed a galaxy protocluster at 1.2 billion years after the Universe's birth, finding it was already shaped by its environment. The Loktak Protocluster had larger, redder galaxies with more rounded shapes than isolated galaxies.
A new study reveals how ancient galactic collisions can destroy stellar discs, affecting star formation and galaxy structure. Simulations show that rotating discs often formed earlier than thought but can be partially or completely destroyed by major mergers.
Astronomers using the James Webb Space Telescope discovered a galaxy that is not rotating, contradicting current theories about galaxy formation. The team believes this galaxy may have been formed after a single collision between two galaxies, making it a rare and unexpected finding.
New research from McMaster University challenges existing theories of planet formation around mid-to-late M dwarfs. The study found that sub-Neptunes almost completely disappear around these stars, hosting many super-Earths instead. This suggests that water-rich worlds may be more common in these systems.
Astronomers have identified the edge of the Milky Way's star-forming disc for the first time, finding that most star formation happens within 40,000 light-years of the Galactic Center. This discovery uses a new approach combining star ages with galaxy simulations to pinpoint the boundary.
Using data from the TYPHOON survey, scientists examined the nearby spiral galaxy NGC 1365 and achieved resolution sharp enough to separate individual star-forming clouds. The study reveals that the galaxy grew and merged with other galaxies over 12 billion years of cosmic time.
The Small Magellanic Cloud's stars do not orbit around its center due to a direct collision with the Large Magellanic Cloud. The collision disrupted the SMC's internal structure and destroyed its gas rotation, making it a unique case to study galaxy evolution.
Astronomers from the University of Waterloo have observed a distant jellyfish galaxy, providing rare insight into how galaxies were transformed in the early universe. The discovery challenges previous beliefs about galaxy clusters and their impact on galaxy properties.
Astronomers have spotted an ancient galaxy that was slowly starved of fuel by a supermassive black hole. The galaxy's lack of cold gas prevented it from forming new stars, despite its relatively young age. Repeated episodes of heating and gas removal by the black hole likely drained the galaxy's fuel in as little as 16-220 million years.
A team of researchers has observed a massive galaxy cluster that challenges existing models of the universe's evolution. The cluster's unusual structure and high density of cold, neutral hydrogen gas suggest a different history than previously thought. This discovery raises questions about the fate of large structures in the universe.
Researchers observed a jet from an active galactic nucleus driving a gas outflow in nearby galaxy VV 340a. The outflow rate is large enough to affect the host galaxy's star formation rate.
Researchers have spotted the largest-known stream of super-heated gas, a kiloparsec-scale jet, erupting from a nearby galaxy called VV 340a. The team used radio wave images to reveal the jet and its associated coronal line emission, which is equivalent to 10 quintillion hydrogen bombs going off every second.
A team led by Pitt graduate student Daniel Ivanov has discovered a barred spiral galaxy, COSMOS-74706, at a redshift of 11.5 billion years ago, marking the earliest observed instance of this structure type. This finding helps constrain the timeframe for bar formation in the universe.
Researchers have found a rare snapshot of worlds in the process of transforming into super-Earths and sub-Neptunes, the galaxy's most common planetary types. The discovery provides an unprecedented glimpse into the turbulent lives of young worlds, shedding light on their formation.
Researchers have found a galaxy cluster with scorching hot gas just 1.4 billion years after the Big Bang, five times hotter than predicted, and containing three supermassive black holes that pumped energy into the surroundings. This discovery could upend current models of galaxy cluster formation and evolution.
Astronomers discover galaxy Virgil with dual personality – ordinary in visible light but harboring massive black hole. JWST observations reveal hidden nature of Virgil, challenging current models of black hole formation.
A new study using advanced computer simulations has shed light on the mysterious chemical history of the Milky Way. Researchers found that galaxies like the Milky Way can develop two distinct chemical sequences through various mechanisms, challenging previous assumptions about the role of cosmic gas flows and galaxy mergers.
Astronomers from India use JWST to spot a mature spiral galaxy, Alaknanda, with two sweeping arms and annual star-forming rate 20 times that of Milky Way. This discovery challenges current models of galaxy formation and encourages rethinking theoretical frameworks.
A team of astronomers from ICRAR has released new data showing that a galaxy's 'neighbourhood' plays a major role in its evolution over time. The study found that where a galaxy lives strongly influences its shape, size and growth rate in the distant Universe.
Astronomers detect a distant galaxy with temperatures of 90 Kelvin, indicating an extreme star factory that could have produced stars at a rate 180 times faster than the Milky Way. This discovery provides insight into how galaxies formed quickly in the early universe.
The Gaia space telescope has discovered a giant wave in the Milky Way galaxy, causing stars to wobble over vast distances. The wave stretches across a huge portion of the galactic disc, affecting stars up to 65 thousand light-years away from the centre.
Researchers studied similar spiral galaxies and found they 'dance' with closely located dwarf satellites, potentially revealing the formation and evolution of our galaxy's satellite system. The study aims to refine models of galaxy evolution and cosmic structure, offering new insights into our understanding of the universe.
A team of international researchers has taken an unprecedented image of the heart of the OJ 287 galaxy, revealing a curved segment of the plasma jet. The discovery provides new insights into the extreme conditions surrounding supermassive black holes and their role in shaping the jets.
Researchers used machine learning to simulate galaxy evolution and supernova explosions, achieving speeds four times faster than supercomputers. This breakthrough enables the study of galaxy origins, including the creation of the Milky Way's elements essential for life.
Researchers discovered high-velocity clouds in the nearby spiral galaxy M83, which moved at speeds significantly different from the galaxy's overall speed of rotation. The findings suggest that these clouds originated outside the galaxy, providing new insights into how galaxies acquire fresh gas and sustain star formation over billions...
Astronomers have detected a vast cloud of energetic particles surrounding one of the most distant galaxy clusters ever observed. This discovery reveals that entire galaxy clusters were immersed in high-energy particles for most of their existence.
A team of astronomers created a galactic masterpiece using the European Southern Observatory’s VLT, revealing previously unseen features in the Sculptor Galaxy. The map comprises thousands of colors, providing insights into the stars, gas, and dust within the galaxy.
Researchers found that the Galactic Center's star-forming regions struggle to form high-mass stars, unlike typical star-forming regions, due to extreme conditions caused by the black hole. The study suggests these regions effectively produce just one generation of stars and lack sufficient material for continued formation.
Researchers have found that most Lyman Alpha Emitters (LAEs) are experiencing their first major burst of star formation, revealing crucial insights into galaxy development and the early stages of the universe. The study sheds light on the Milky Way's origin story, providing key information about how galaxies grow and evolve.
A newly discovered cluster of eleven quasars has shattered the previous record, with the Cosmic Himalayas forming a boundary between galaxy groups. This structure forces astronomers to rethink quasar formation scenarios, leading to new theories and potential insights into the evolution of the Universe.
A team of astronomers observed a rare cosmic collision where one galaxy is pierced by intense radiation from a quasar, leading to the disruption of stellar nurseries. The study used ALMA and ESO's VLT telescopes to reveal the effects of this radiation on the internal structure of the gas in the regular galaxy.
Researchers use ALMA to observe J0107a, a 'monster' galaxy 11.1 billion years ago. They find similarities with modern galaxies in gas distribution and motion, but higher concentrations and faster gas flow rates.
Researchers have detected 1,678 galaxy groups or proto-clusters with unprecedented insights into the formation and evolution of galaxies. The study provides a unique view of how galaxies have evolved since the universe was under a billion years old.
Astronomers have found nearly 100 examples of massive black holes devouring stars in galaxy cores. A new study reveals a stealth black hole tearing apart a star 2,600 light years away from the galaxy's central massive black hole.
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 team of researchers at Nagoya University has discovered a fast-moving, high-temperature gas flow in the center of the Centaurus cluster of galaxies. This finding may solve the 'cooling flow problem', which explains why galaxy clusters appear to be warm despite emitting X-rays.
Astronomers have discovered a massive spiral galaxy resembling the Milky Way, formed just 1 billion years after the Big Bang. The galaxy, Zhúlóng, exhibits a mature structure with a central old bulge and large star-forming disk, challenging our understanding of galaxy formation.
Research suggests that massive stars in the Small Magellanic Cloud are being pulled apart by the Large Magellanic Cloud. The discovery reveals a new pattern in stellar motion, which could transform our understanding of galaxy evolution and interactions.
Researchers have calculated that star formation can occur in halos down to 10 million solar masses through molecular hydrogen cooling. This discovery has significant implications for our understanding of galaxy formation and the nature of dark matter.
Astronomers have discovered a cosmic anomaly that challenges our understanding of the universe, revealing a spiral galaxy harboring a supermassive black hole billions of times the Sun's mass. This discovery forces us to rethink how galaxies evolve and how supermassive black holes grow in them.
Astronomers have discovered oxygen in JADES-GS-z14-0, the most distant known galaxy, revealing a galaxy that is much more chemically mature than expected. The detection suggests galaxies formed rapidly and are maturing rapidly, contradicting previous theories about early universe formation.
Researchers from Osaka Metropolitan University used a deep learning model to discover new bubble-like structures in the Milky Way galaxy, providing insights into star formation and galaxy evolution. The study also revealed shell-like structures formed by supernova explosions.
Researchers found Andromeda XXXV, the smallest and dimmest satellite galaxy to date, which challenges our understanding of galaxy formation and evolution. The discovery provides new insights into how galaxies survive different epochs of the universe.
Astronomers observed a bright and chemically complex galaxy, JADES-GS-z14-0, when the universe was just 2% of its current age. The discovery reveals significant amounts of oxygen, suggesting the galaxy had formed stars for potentially 100 million years before observation.
The study reveals a dynamic ecosystem with diverse dwarf galaxies, unlike the Milky Way's smaller satellite system. Hubble's observations provide insights into how small-galaxy growth is affected by massive galaxies like Andromeda.
The Euclid space telescope has discovered a stunning Einstein ring in the galaxy NGC 6505, showcasing rare gravitational lensing effects. This remarkable finding demonstrates the power of Euclid's high-resolution instruments and provides new insights into the expansion of the Universe.
The Hubble Space Telescope has captured a cosmic bullseye, revealing eight visible rings and confirming a ninth using data from the W. M. Keck Observatory in Hawaii. The galaxy's unique ring structure was formed by a blue dwarf galaxy colliding with its center, creating a new generation of stars.
Researchers have pinpointed the location of a repeating fast radio burst (FRB) in a region associated with a 'dead' galaxy, which is no longer forming stars. The discovery raises questions about how energetic events can occur in regions without new star formation.
Researchers used a new method to precisely locate a fast radio burst, finding it in the outskirts of an old elliptical galaxy. This discovery raises questions about how energetic events occur in regions without new star formation, and challenges existing theories about FRB origins.
The Hubble Space Telescope has captured a panoramic view of the Andromeda Galaxy, unveiling hundreds of millions of stars and providing new clues to its evolutionary history. The galaxy's unique structural features, such as coherent streams of stars, suggest a more active recent star formation and interaction history than the Milky Way.
A team of astronomers has obtained detailed images of a small galaxy and its surroundings, revealing features typically associated with larger galaxies. The study found that the mechanisms fueling galaxy growth may be more universal than previously thought, suggesting that even dwarf galaxies can build stellar halos through accretion.
The Hubble Space Telescope has completed a comprehensive survey of the Andromeda galaxy, revealing its structure and evolution on a holistic scale. The observations provide insights into the galaxy's age, heavy-element abundance, and stellar masses, helping astronomers distinguish between competing scenarios of merger history.