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black-holes Articles | Developments Today

Astronomers found Omega Centauri’s first stellar-mass black hole, which has a visible star companion that is shown in greater detail. Credit: ESA/NASA/MPIA/STScI

Hubble and Webb find Omega Centauri’s first stellar-mass black hole

Astronomers confirmed the first stellar-mass black hole in Omega Centauri.
The result relied on Hubble data from 2002 to 2023 plus Webb NIRCam observations.
The object, oMEGACat BH-2, was found through astrometric measurements of a visible star’s motion.
The discovery supports models suggesting Omega Centauri should host many stellar-mass black holes.

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DT Editorial Team·Jul 24, 2026·via universetoday.com

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This artist's illustration shows a supermassive black hole (SMBH) tearing apart a star that got too close in a tidal disruption event. These events flare brightly, making otherwise invisible black holes visible. Astrophysicists want to find more of these events across cosmic time so they can understand how SMBH have become so massive. The upcoming Nancy Grace Roman Space Telescope will find many more of them. Image Credit: NASA, Ralf Crawford (STScI)

Roman Space Telescope Could Reveal Ancient Black Holes Through Stellar Destruction

A new forecast study says Roman could detect many more tidal disruption events across the universe.
Those flares can reveal lower-mass supermassive black holes that are otherwise difficult to detect.
A larger TDE sample could help test models of early black hole seeding and growth.

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DT Editorial Team·Jul 17, 2026·via universetoday.com

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Artist's portrayal of a black hole in the Milky Way Galaxy (Credit : Ute Kraus)

Black holes can flare again years after swallowing a star

A team monitored 31 tidal disruption events with the Very Large Array.
Some black holes produced delayed radio flares months or years after the original stellar disruption.
The radio glow likely comes from expelled material colliding with surrounding gas.
Researchers may be able to predict later radio activity from earlier visible-light differences.

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DT Editorial Team·Jun 29, 2026·via universetoday.com

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Polarised emission of the black hole at the heart of M87. The lines mark the orientation of polarisation, which is related to the magnetic field around the shadow of the black hole (Credit : EHT Collaboration)

Black hole merger signal offers a new view of the event horizon

Researchers used the unusually strong gravitational-wave event GW250114 to analyze black hole physics near the event horizon.
The team says it isolated faint “direct waves” that carry information from the final instant before the merger completed.
The analysis reportedly yielded estimates of the remnant black hole’s spin and surface gravity strength.
If replicated, the method could turn future gravitational-wave detections into stronger tests of gravity in extreme conditions.

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DT Editorial Team·Jun 28, 2026·via universetoday.com

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First ever image of a black hole, taken by the Event Horizon Telescope. Credit - EHT Collaboration

Solar Gravitational Lens Study Expands Targets Beyond Exoplanets

A new arXiv preprint says the Solar Gravitational Lens could study bright compact objects, not just exoplanets.
The paper highlights white dwarfs and black holes as targets less constrained by photon starvation.
Broadening the target list could strengthen the scientific case for a future SGL mission.

DE

DT Editorial Team·Jun 23, 2026·via universetoday.com

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Astronomers at MIT and elsewhere have detected a quasar flickering from the very early universe. This artist’s concept illustrates a quasar accretion disk and a jet of superheated material streaming out to space. Credit: NASA/JPL-Caltech

Earliest flickering quasar yet seen challenges early black hole theories

Astronomers detected flickering from quasar J0439+1634 in the early universe.
The quasar is seen as it existed about 850 million years after the Big Bang.
Its variability suggests a flat accretion disk, unusual for such an early epoch.
The finding complicates theories of how supermassive black holes formed so quickly.

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DT Editorial Team·Jun 23, 2026·via universetoday.com

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Image of the Gamma Ray Sky according to the Fermi Large Area Telescope. Credit - NASA/DOE/Fermi LAT Collaboration

Gamma-Ray Background Study Tightens the Case Against Asteroid-Mass Primordial Black Holes

Researchers modeled the gamma-ray signature expected from asteroid-mass primordial black holes.
The analysis compares that prediction with the diffuse extragalactic gamma-ray background.
The reported result narrows the case for this mass range as a dark matter candidate.

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DT Editorial Team·Jun 22, 2026·via universetoday.com

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Webb's view of galaxy cluster Abell S1063, whose gravity magnifies the little red dot GLIMPSE-17775 (boxed, lower right). The curved red arcs are lensed background galaxies (Credit : NASA, ESA, CSA, Vasily Kokorev (UT Austin); Image Processing: Alyssa Pagan (STScI))

JWST may have solved the little red dots mystery

Webb observed little red dot GLIMPSE-17775 with the deepest spectrum yet for this class.
Gravitational lensing by Abell S1063 boosted the effective observing power.
The data support a model of a growing black hole hidden inside dense gas.

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DT Editorial Team·Jun 15, 2026·via universetoday.com

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An image of the core region of Messier 87, a supermassive black hole, processed from a sparse array of radio telescopes known as the EHT with colours indicating brightness temperature (Credit : Event Horizon Telescope)

Black Hole Topology Offers a New Way to Classify Cosmic Extremes

Black holes have temperature and entropy, not just gravity.
Researchers build thermodynamic landscapes using variables such as temperature, entropy, and pressure.
Zero points in those landscapes can be assigned topological charges.
Different black holes, including Schwarzschild and Reissner-Nordstrom types, fall into different topological classes.

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DT Editorial Team·Jun 12, 2026·via universetoday.com

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A star in the Large Magellanic Cloud briefly got brighter, perhaps a microlensing event (Credit : NASA/Ames Research Centre)

Mysterious microlensing flash points to rogue world or primordial black hole

Astronomers detected a one-hour microlensing event in the Large Magellanic Cloud.
The lensing object may have a mass about three times that of Earth’s Moon.
Possible explanations include a rogue planet, an extragalactic planet, or a primordial black hole.

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DT Editorial Team·May 28, 2026·via universetoday.com

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Universe's most distant 'Hot DOG' yet may owe extreme infrared glow to polar dust, Webb reveals

Webb Study Points to Polar Dust as a Key Driver of a Distant Hyperluminous Galaxy

Researchers analyzed W2246−0526 using multiwavelength data that included Webb observations.
The study suggests polar dust, not only the AGN torus, may explain the galaxy’s extreme infrared emission.
W2246−0526 is the most distant and luminous known Hot DOG discovered so far.

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DT Editorial Team·May 25, 2026·via phys.org

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This artist's illustration shows a supermassive black hole (SMBH) in the early Universe. The JWST found galaxies in the very early Universe that were extremely massive compared to their host galaxies. New research has an explanation for those puzzling findings. Image Credit: NOIRLab/NSF/AURA/J. da Silva (Spaceengine)

A new theory aims to explain why JWST keeps finding oversized black holes in the early universe

JWST found early galaxies with black holes far larger than expected relative to host mass.
A new paper proposes an explanation for these overmassive black hole galaxies.
The findings challenge standard ideas of synchronized galaxy and black hole growth.

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DT Editorial Team·May 19, 2026·via universetoday.com

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The left-hand side of this artist's illustration shows the distant quasar TXS 2005+403 as it really appears, with its bright accretion disk and its powerful astrophysical jets blasting radiation into the cosmos. The right-hand side shows how intervening turbulent gas blurs and distorts the light. New research has figured out exactly how that turbulence affects images of the Milky Way's supermassive black hole. Image Credit: Melissa Weiss/CfA

Milky Way Turbulence Is Blurring Distant Quasars and Complicating Black Hole Imaging

Astronomers studied the distant blazar TXS 2005+403 over about a decade.
They found additional blurring caused by turbulence in the Milky Way’s interstellar medium.
The result could help improve future images of the galaxy’s central black hole.

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DT Editorial Team·May 18, 2026·via universetoday.com

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Gravitational lens reveals the presence of dark matter (Credit : ESA/Hubble)

Scientists Propose a New Way to Hunt Dark Matter in Gravitational Waves

An MIT-led team modeled how ultralight dark matter could alter gravitational waves from black hole mergers.
The mechanism relies on superradiance building dense dark matter clouds around spinning black holes.
Researchers screened 28 public LIGO, Virgo, and KAGRA signals and found one event that differed from vacuum-merger expectations.

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DT Editorial Team·May 16, 2026·via universetoday.com

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An artist's concept of the X-ray bright little red dot (XRD) dubbed 3DHST-AEGIS-12014. Credit: NASA/CXC/SAO/M. Weiss; adapted by K. Arcand &amp; J. Major

X-Ray Signal May Help Explain the Early Universe’s ‘Little Red Dots’

Astronomers identified an X-ray-emitting little red dot about 11.8 billion light-years away.
The detection strengthens the case that some little red dots are linked to black hole growth.
Researchers think the object may represent a transitional form between obscured systems and more obvious active black holes.

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DT Editorial Team·May 11, 2026·via universetoday.com

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The Universe’s biggest black holes may be forged in violent mergers

Gravitational-Wave Data Suggest the Biggest Black Holes Are Built Through Repeated Collisions

Researchers analyzed 153 reliable black hole merger detections from GWTC4.
The most massive black holes appear to form through hierarchical mergers.
Dense star clusters may enable repeated black hole collisions.
Spin signatures suggest a separate high-mass black hole population.

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DT Editorial Team·May 9, 2026·via sciencedaily.com

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Infographic describing the best current theory on the evolution of PBHs. Credit: NASA Goddard Spaceflight Center

A New Black Hole Study Suggests the End May Resemble a White Hole

A new theoretical study revisits the minimum lifetime of black holes beyond Hawking's original semiclassical treatment.
The authors argue evaporating black holes could enter a metastable stage with white-hole-like behavior.
The result is especially relevant to debates over primordial black holes and their cosmic role.

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DT Editorial Team·May 8, 2026·via universetoday.com

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Artist's impression of the Cygnus X-1 binary system. Credit: ICRAR

Black Hole Jets in Cygnus X-1 Measured at Power Equivalent to 10000 Suns

Researchers used 18 years of radio imaging to study jets in Cygnus X-1.
The jets were measured at a power equivalent to 10,000 Suns.
The team estimated jet speeds at roughly half the speed of light.

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DT Editorial Team·May 7, 2026·via universetoday.com

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An artist's illustration of an X-ray dot. A growing supermassive black hole is at the center of a large, patchy sphere of red gas.

NASA’s ‘X-Ray Dot’ Could Help Explain a Strange Population From the Early Universe

Chandra found a distant ‘X-ray dot’ that resembles a little red dot but also emits X-rays.
NASA says the object may bridge early black hole-star scenarios and more typical growing supermassive black holes.
The discovery could help explain a much larger population of mysterious early-universe sources.

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DT Editorial Team·May 6, 2026·via nasa.gov

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hubble

Hubble’s New Spiral Portrait Offers a Nearby Lab for Galactic Evolution

NGC 3137 is a spiral galaxy 53 million light-years away.
The galaxy belongs to a group that may resemble the Milky Way’s Local Group.
NASA says the image can help researchers study star formation and black-hole growth.

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DT Editorial Team·May 1, 2026·via science.nasa.gov

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