Astronomers discover tiny, red versions of massive black holes that could change our understanding of their origins. The 'baby quasars' are small-scale black holes with masses between ten and a hundred million solar masses, observed using the James Webb Space Telescope.
A new study found that Black male elementary school students are less likely to be identified for special education services when matched with Black teachers. This relationship is strongest among students from economically disadvantaged backgrounds. The researchers suggest that access to Black teachers may lead to more nuanced assessme...
A study using machine learning classifies galaxy mergers and finds that mergers are not strongly associated with black-hole growth. Cold gas at the center of the host galaxy is necessary for rapid growth, suggesting a more complex relationship between galaxy evolution and supermassive black holes.
The James Webb Space Telescope has discovered a 2-million-solar-mass supermassive black hole at the center of the galaxy GN-z11, which is one of the youngest and most distant galaxies ever observed. The team also found evidence of ionized chemical elements and a powerful wind expelled by the galaxy.
The discovery of J0529-4351 reveals the most luminous object in the known Universe, with a mass of 17 billion Suns and an accretion disc seven light-years in diameter. The quasar's brightness surpasses that of 500 trillion Suns, providing valuable insights into supermassive black holes and their role in shaping the early Universe.
Physicists at Goethe University Frankfurt have proposed a new solution to Einstein's field equations, describing the existence of 'nestars' - gravastars inside another gravastar. The 'nestar' has a thicker shell than previous theories, making it easier to imagine its existence.
A new study found that black holes existed at the dawn of time and played a crucial role in galaxy formation. The research, using James Webb Space Telescope data, challenges classical understanding of black hole formation and suggests they may have dramatically accelerated star birth in the first 50 million years of the universe.
A team of MIT scientists has detected 18 new tidal disruption events (TDEs) using infrared observations, more than doubling the catalog of known TDEs. The discoveries reveal that these star-shredding black holes occur in a range of galaxies across the entire sky, not just dusty galaxies.
Researchers found an unknown object orbiting a rapidly spinning millisecond pulsar, weighing more than the heaviest neutron stars and less than the lightest black holes. The discovery was made using the MeerKAT Radio Telescope and could reveal new insights into black holes and neutron stars.
Researchers detected a compact object with a mass between 2.09 and 2.71 solar masses, which is at the lower edge of the mass gap between neutron stars and black holes. The discovery has fascinating implications for understanding extremely dense nuclear matter and supernova explosions.
Researchers unveil previously unknown type of shockwave within TDEs, confirming that shock dissipation powers the brightest phases. The study paves the way for precise measurements of crucial black hole properties and testing Einstein's predictions in extreme environments.
Researchers discovered a massive black hole at the center of galaxy GN-z11, which dates back 13 billion years and challenges traditional theories on black hole formation. The ancient black hole is 'eating' its host galaxy, suggesting alternative formation mechanisms.
Researchers analyze tidal disruption events (TDEs) to estimate the properties of supermassive black holes and stars. The CN22 model, proposed by Syracuse University researchers, provides a new way forward for understanding TDEs and their implications for galaxy evolution.
Researchers have discovered a novel galactic 'fossil' in the spiral galaxy NGC 4945, which sheds light on the evolution of galaxies. The X-rays outline giant clouds of cold gas that were blasted through the galaxy after its central supermassive black hole erupted 5 million years ago.
Research highlights the role of racism in producing mental health disparities among Black Americans, calling for community-driven action to reduce inequitable care. The study's findings emphasize the need to address systemic racism as a root cause of poor mental health outcomes.
A recent study published by Columbia University Mailman School of Public Health found that suicide rates among Black women rose from 2% in 1999 to 3.4% in 2020. The highest rates were observed in the West region, with a significant increase in deaths among young Black females aged 15-24.
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 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.
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.
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, 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.
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.
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...
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.
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.
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.
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 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.
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.