Researchers developed a machine learning technique to identify superluminous galaxies with massive black holes at their core. The algorithm predicts intense radio signals from these galaxies, which could provide insights into the physical phenomena of the early Universe.
A team of astronomers has found that active black holes shine in microwave and X-ray light in the same way, regardless of their appetite, suggesting a new understanding of how these cosmic monsters consume matter. This discovery could provide a new method for estimating black hole masses, essential for understanding galaxy evolution.
A team of Princeton astrophysicists has conclusively determined that the energy close to the event horizon of black hole M87* is pushing outward, not inward. This finding resolves a longstanding debate within the field and provides new insights into the behavior of black holes.
Astronomers have observed the active galactic nucleus of the Circinus Galaxy, resolving a long-standing mystery about how gas feeds supermassive black holes. The team found that most gas is expelled as atomic or molecular outflows and recycled into an accretion flow, rather than directly contributing to black hole growth.
Research reveals that supermassive black holes consume about 3% of the gas flowing towards them, while the remaining 97% is ejected and recycled back into the host galaxy. Gravitational instability drives the inflow, and most expelled outflows are not fast enough to escape the galaxy.
Researchers propose that black holes can exist in equilibrium as 'perfect pairs' within an ever-expanding Universe. This concept challenges traditional understanding of black hole behavior and interactions.
A recent study found that Black adolescents are underrepresented in suicide research, with only 13% inclusion rate. Another study suggests cultural consensus modeling can elevate Black youth's voices and improve prevention strategies.
A study by Duke University psychologists finds that White people tend to see Multiracial faces as Black, while Black people see them as White. Multiracial participants show less bias when forced to choose one race, categorizing faces as White more often than Black.
A UCLA study found that exposure to critical Black history can contribute to white people's recognition of health disparities faced by Black Americans and lead to support for policies aimed at equity. The study also found that perspective-taking, regardless of instruction, leads to greater recognition of racism in healthcare.
A team of researchers confirmed the spin of a black hole in galaxy M87 by analyzing data from 2000-2022, showing an 11-year cycle in its jet's precessional motion. The findings provide evidence that the black hole spins, enhancing our understanding of supermassive black holes.
A team of international researchers has provided direct evidence that the supermassive black hole at the heart of galaxy M87 is spinning. The findings are based on 20 years of observational data, which show that gravitational interactions between the accretion disk and the black hole's spin cause the jet to wobble or precess.
Astronomers discovered a link between dust surrounding supermassive black holes and radio emission in extremely bright galaxies. The study found that quasars with more dust were more likely to have stronger radio emission.
A new study from North Carolina State University explores how racism shapes Black motherhood in the US, revealing distinct challenges and stresses faced by Black mothers. The study categorizes these effects into three areas: protective mothering, resistance mothering, and encumbered mothering.
A Northwestern University study reveals that black holes devour gas at a much faster rate than previously believed. The simulations indicate that the inner regions of the accretion disk are destroyed and replenished, explaining the drastic variation in quasars' brightness and fading patterns.
A team of researchers used ALMA to observe the central region of Messier 77, a galaxy hosting an active supermassive black hole. The study found that molecules commonly found in galaxies break down along the path of bipolar jets emanating near the black hole, while distinctive molecules increase in concentration.
A team of astrophysicists used simulations to track the motion and evolution of stars in the Hyades cluster, finding that two or three black holes could be present at its center. The study suggests these black holes are still inside the cluster or very close to it, making them the closest ever detected.
A team of researchers used the Subaru Telescope to discover 162 quasars in the early universe, including 22 that lived less than 800 million years old. The observation provides insights into the origin of supermassive black holes and their relationship with galaxies.
A study published in Stroke found significant disparities in stroke risk factors between Black and non-Black adults. However, after one year of intensive medical intervention, some risk factors were reduced in Black adults.
Researchers predict that two black holes producing chirp signals preferentially occur in two universal frequency ranges, providing insights into black hole formation and stellar explosion mechanisms.
An international team of scientists has detected a quasi-periodic oscillation (QPO) signal in the radio band from a Galactic black hole system, revealing features that have never been seen before. The QPO signal may provide the first evidence of activity from a jet launched by a Galactic stellar-mass black hole.
An international team of astronomers used VERA to observe six nearby active NLS1 galaxies, uncovering clues about how rapidly growing massive black holes form and grow. The study revealed significantly greater Faraday rotation compared to older black holes, indicating abundant gas in the nuclear regions.
The James Webb Space Telescope has discovered the most distant active supermassive black hole to date in galaxy CEERS 1019, which existed 570 million years after the big bang. This smaller black hole is less massive than previously detected behemoths and provides insight into the early universe's formation.
The James Webb Space Telescope has discovered the most distant active supermassive black hole to date, existing about 570 million years after the big bang. The galaxy, CEERS 1019, is less massive than other identified black holes in the early universe, with a mass of around 9 million solar masses.
A team of researchers has proposed a new method to measure the cosmic expansion by studying gravitational waves. The method involves counting repeat black hole mergers and analyzing the delay between them, allowing for accurate measurement of the universe's expansion rate.
A team of scientists from UNIGE, Northwestern University, and the University of Florida used POSYDON code to simulate binary-star populations, predicting the existence of massive 30 solar mass black hole binaries in Milky Way-like galaxies. This challenges previous theories and provides new insights into the astrophysical origins of me...
The NANOGrav team has detected a collective hum of gravitational waves from merging supermassive black holes, providing evidence for a background undulation in spacetime. The signal is thought to be generated by huge black holes at galaxy centers, producing low-frequency gravitational waves that oscillate slowly over years and decades.
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.
A recent study suggests that supermassive black holes at the center of large galaxies grew in size over billions of years, challenging previous estimates. The research, led by astrophysicist Joseph Simon, used computer simulations to predict the masses of massive black holes, revealing a diverse range of sizes across the universe.
Researchers have detected a smaller black hole in the binary system OJ287 for the first time, confirming its existence through observations of 26 predicted flares and gamma ray signals. The bigger black hole weighs over 18 billion times the mass of our Sun.
Researchers confirm Stephen Hawking's theory that black holes will eventually evaporate through Hawking radiation. New findings suggest gravity and spacetime curvature cause this radiation, affecting all large objects in the universe.
Astronomers using Hubble have found evidence for an intermediate-mass black hole in the globular star cluster Messier 4, weighing approximately 800 solar masses. The discovery uses precise measurements of stellar motion to rule out alternative theories and suggests a single, compact black hole at the center.
Researchers have found that supermassive black holes are more likely to grow and release energy when inside galaxies expected to collide. The study used a new technique to determine galaxy distances, providing insight into the growth of these black holes during cosmic noon.
Researchers characterize 106 dim blazars to test the blazar sequence theory, exploring black hole growth and general relativity. The study reveals that lower-energy peaks for dim blazars peak in blue, higher-energy light, extending current knowledge of the pattern.
An international research team explores ultra-fast gas emissions from active galactic nuclei, which significantly change galaxy ecosystems. The study confirms the existence of these powerful emissions and their role in regulating star formation.
A team of researchers developed a self-checking deep learning system that accurately extracts information from gravitational-wave data. The algorithm, called DINGO, has been trained to interpret real data and can cross-check its own results for accuracy.
Researchers discovered two massive touching stars that will eventually become black holes and collide, generating waves in space-time. The stars are currently feeding each other every three days before the smaller star collapses into a black hole in 700,000 years.
An international team of scientists has produced an image showing both the ring-like accretion structure around a black hole and the associated relativistic jet. The study provides new insights into the connection between the accretion flow near the central supermassive black hole and the origin of the jet.
Astronomers have captured new images of M87*, revealing a thicker, fluffier ring that is 50% larger than the initial image. The team detected plasma from an accretion disk and observed a relativistic jet blasting out from the black hole.
Astronomers have observed for the first time the shadow of a black hole and the powerful jet expelled from it in the same image. The new image shows how the base of the jet connects with the matter swirling around a supermassive black hole, allowing scientists to better understand how black holes create energetic jets.
Astrophysicists have discovered that intermediate-mass black holes eat stars in a series of violent passages, ejecting the leftovers across the galaxy. The star's remains create a signature that might help astronomers pinpoint these elusive objects.
Researchers at Johns Hopkins University have simulated an object called a topological soliton, which distorts space like a black hole but behaves differently when releasing weak light rays. The findings suggest there could be other types of celestial bodies in space hiding from even the best telescopes.
A study by the University of Houston found that Black restaurateurs were 76% less likely to succeed in using crowdfunding sources before the Black Lives Matter movement rose to prominence. However, after the movement's endorsement on Kickstarter, funding success for Black-owned restaurants increased nearly four times.
Astronomers have discovered a massive, runaway black hole that has left behind a never-before-seen trail of newborn stars. The black hole, weighing as much as 20 million Suns, is plowing into gas to trigger new star formation along a narrow corridor.
Astronomers have discovered a closely bound pair of actively feeding supermassive black holes in the same galactic real estate, 10,000 light-years apart. This finding provides crucial information about the nature of cosmic systems on the verge of becoming giant elliptical galaxies.
Astronomers using NASA's Hubble Space Telescope discovered a pair of gravitationally bound quasars inside two merging galaxies when the universe was just 3 billion years old. The finding provides insights into early galaxy mergers and supermassive black holes.
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.
Physicists discover correspondence between dense states of gluons and enormous black holes, both characterized by self-interacting force carrier particles. The study reveals universal limits on entropy and information content in these systems.
A new study reveals that intergalactic gas can activate and feed supermassive black holes at the heart of galaxies. The researchers found a direct connection between gas outside galaxies and active supermassive black holes, with misaligned gas playing a significant role in their growth.
A rare quasar triplet formed a massive black hole with a mass of 10 billion solar masses, according to recent simulations. The triple system, composed of three galaxies with supermassive black holes at their centers, is believed to be the progenitor of ultra-massive black holes.
A study of US adults found that Black men have a 50% higher death rate within 30 days of elective surgery compared to White men and women. The researchers highlight the need for better understanding of challenges facing Black men requiring surgery in the US.
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 have developed a new model of black hole collisions that reveals nonlinear effects in gravitational waves, allowing for more accurate modeling of the behavior. This breakthrough has significant implications for understanding black hole collisions observed by LIGO and testing Einstein's general theory of relativity.
A new model developed by researchers at Columbia University and the University of Mississippi improves the accuracy of gravitational wave analysis by including nonlinear interactions. This enhanced modeling method will help scientists better understand the structure of merging black holes and test Einstein's theory of general relativity.
Researchers at Johns Hopkins University have conducted simulations of two black holes colliding near the speed of light, producing a remnant black hole and gravitational waves. The study reveals nonlinear effects that cannot be studied with linearized equations, suggesting current models need to be revised.
A team of researchers has discovered evidence of 'cosmological coupling' between black holes and the universe's expanding energy. By studying supermassive black holes in ancient galaxies, they found that these black holes gain mass over billions of years, matching predictions for black holes that cosmologically couple with vacuum energy.
A research team from the University of Southampton discovered that supermassive black holes are fueled by gas clouds from neighboring galaxies. The study found a link between misaligned gas and active supermassive black hole activity, suggesting that galaxy interactions provide a source of fuel for these phenomena.
A team of physicists has proposed a model for a repeating partial tidal disruption event, revealing the capture of a star by a supermassive black hole and its repeated stripping of material. The study provides unprecedented insight into the existence of supermassive black holes and the orbital dynamics of stars in galaxy centers.
Astronomers using Hubble observed a star's final moments as it was gobbled up by a black hole, creating a donut-shaped torus. The event provides forensic clues to the black hole homicide, with details on the debris's behavior and the accretion rate.
Scientists using ALMA discovered a rare instance of two supermassive black holes growing simultaneously near the center of a newly coalescing galaxy. This finding suggests that binary black hole pairs may be more common than previously thought, with potential implications for future gravitational wave detections.
Astronomers have discovered two ghostly Goliath black holes just 750 light-years apart, closing in on a cataclysmic meeting. The estimated population of merging supermassive black holes may be surprisingly high, generating strong gravitational waves detectable by future telescopes.