Galaxies News

July 2, 2025

Top Headlines

AI Reveals Milky Way’s Black Hole Spins Near Top Speed

June 15, 2025 — AI has helped astronomers crack open some of the universe s best-kept secrets by analyzing massive datasets about black holes. Using over 12 million simulations powered by high-throughput computing, scientists discovered that the Milky Way's central ...

Black Holes Could Act as Natural Supercolliders -- And Help Uncover Dark Matter

June 5, 2025 — Supermassive black holes might naturally replicate the colossal energies of man-made particle colliders possibly even revealing dark matter offering a cosmic shortcut to discoveries that would ...

Webb Reveals the Origin of the Ultra-Hot Exoplanet WASP-121b

June 2, 2025 — Tracing the origin of an ultra-hot exoplanet: The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of gas and ice giants in our Solar System. Methane indicates unexpected ...

Scientists Discover New Evidence of Intermediate-Mass Black Holes

May 30, 2025 — A series of studies sheds light on the origins and characteristics of intermediate-mass black ...

Understanding Why Galaxy Clusters Are Warm May Explain the Origin of Giant Interstellar Structures

May 29, 2025 — Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

ALMA Measures Evolution of Monster Barred Spiral Galaxy

May 22, 2025 — Astronomers have observed a massive and extremely active barred spiral galaxy in the early Universe and found that it has important similarities and differences with modern galaxies. This improves our understanding of how barred spiral galaxies, ...

Unveiling the Secrets of Planet Formation in Environments of High UV Radiation

May 21, 2025 — The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new ...

Gas Location Drives Star Formation in Distant Galaxies

May 21, 2025 — In the intriguing realm of star-forming galaxies, the key factor isn't the total amount of gas but rather its strategic distribution within the ...

'Cosmic Joust': Astronomers Observe Pair of Galaxies in Deep-Space Battle

May 21, 2025 — Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense radiation. Their results show that this radiation dampens the wounded galaxy's ability to form new ...

Not One, but Two Massive Black Holes Are Eating Away at This Galaxy

May 19, 2025 — Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with another galaxy, or have been tossed out of the core ...

Astronomers Observe Largest Ever Sample of Galaxies Up to Over 12 Billion Light Years Away

May 19, 2025 — The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space telescope (JWST) in an area of the sky called COSMOS ...

Stretched in a Cross Pattern: Our Neighboring Galaxy Is Pulled in Two Axes

May 16, 2025 — Researchers have discovered that Cepheid variable stars in our neighboring galaxy, the Small Magellanic Cloud, are moving in opposing directions along two distinct axes. They found that stars closer to Earth move towards the northeast, while more ...

Latest Headlines

updated 8:43am EDT

Citizen Scientists Spot Rare Exploding Star in Real-Time

July 1, 2025 — Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing astronomers to identify the exploding cataclysmic variable GOTO0650 within ...

JWST Unlocks 10-Billion-Year Mystery of How Galaxies Shape Themselves

June 30, 2025 — Using the James Webb Space Telescope, scientists spotted thin and thick disks in galaxies as far back as 10 billion years ago—something never seen before. These observations reveal that galaxies ...

Planets May Start Forming Before Stars Even Finish Growing

June 30, 2025 — In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling around 27 infant stars—evidence that planets start taking shape just a ...

Record-Breaking 10-Billion-Year Radio Halo Just Rewrote the Universe’s Origin Story

June 28, 2025 — A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy ...

What the Universe Tried to Hide: The 21-Centimeter Signal Explained

June 22, 2025 — Scientists are peering into the universe's mysterious Cosmic Dawn using the faint whispers of hydrogen radio waves emitted over 13 billion years ago. These signals, particularly the elusive ...

Massive Thread of Hot Gas Found Linking Galaxies — and It’s 10 Times the Mass of the Milky Way

June 19, 2025 — Astronomers have uncovered a colossal, searing-hot filament of gas linking four galaxy clusters in the Shapley Supercluster a discovery that could ...

A Thousand Colors, One Galaxy: Astronomers Reveal a Cosmic Masterpiece

June 18, 2025 — Astronomers have produced the most detailed map yet of the Sculptor Galaxy, revealing hundreds of previously unseen celestial features in stunning color and resolution. By combining over 50 hours of ...

Biggest Boom Since the Big Bang? Astronomers Record 25x Supernova Brightness

June 18, 2025 — Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical supernovae by orders of ...

Galactic Mystery: Why Massive Stars Struggle to Form in the Milky Way's Center

June 15, 2025 — At the heart of our galaxy lies a cosmic puzzle: although the Galactic Center is packed with star-making material, massive stars form there ...

Why Giant Planets Might Form Faster Than We Thought

June 14, 2025 — Astronomers using ALMA have uncovered how gas and dust in planet-forming disks evolve separately an insight that reshapes our understanding of how different types of planets form. While dust lingers, ...

Webb Space Telescope Reveals Starburst Galaxies That Lit Up the Early Universe

June 13, 2025 — Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic makeover that transformed the early universe into the one we know ...

NASA’s Webb Telescope Reveals Monster Star Clumps in Galactic Wreckage

June 12, 2025 — Surveying nearby galaxies in the process of merging with other galaxies, astronomers have identified massive, dense star factories, unlike any found in the Milky Way. The findings provide a rare ...

Sand Clouds and Moon Nurseries: Webb’s Dazzling Exoplanet Reveal

June 10, 2025 — Astronomers using the James Webb Space Telescope have captured breathtakingly detailed images of two giant exoplanets orbiting a distant sun-like star. These observations revealed sand-like silicate ...

Scientists May Have Spotted a Giant New Planet Forming

June 10, 2025 — A team of international astronomers has uncovered what may be a gas giant planet forming around a distant young star. Using the powerful Very Large Telescope in Chile, they captured dazzling ...

Planets May Start Forming Before Their Stars Are Even Done

June 9, 2025 — Planets may begin forming much earlier than scientists once believed during the final stages of a star s birth, not afterward. This bold new model, backed by simulations from researchers at SwRI, ...

Largest-Ever Map of the Universe Reveals 10x More Early Galaxies Than Expected

June 7, 2025 — An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

Astronomers Just Found a Giant Planet That Shouldn’t Exist

June 11, 2025 — Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

A Multitude of Protoplanetary Discs Detected in the Galactic Centre

May 15, 2025 — Using new observations with the ALMA telescope array in Chile, researchers have compiled the most precise map of three regions in the Milky Way's Central Molecular Zone to date, providing ...

Astronomers Take a Second Look at Twin Star Systems

May 14, 2025 — Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or 'hot Jupiters,' astronomers can spend months or ...

Astrophysicists Explore Our Galaxy's Magnetic Turbulence in Unprecedented Detail Using a New Computer Model

May 13, 2025 — Astronomers have developed a groundbreaking computer simulation to explore, in unprecedented detail, magnetism and turbulence in the interstellar medium (ISM) -- the vast ocean of gas and charged ...

Universe Decays Faster Than Thought, but Still Takes a Long Time

May 12, 2025 — The universe is decaying much faster than thought. This is shown by calculations of scientists on the so-called Hawking radiation. They calculate that the last stellar remnants take about 10^78 years ...

The Squid Galaxy's Neutrino Game Just Leveled Up

May 8, 2025 — In space, energetic neutrinos are usually paired with energetic gamma rays. Galaxy NGC 1068, however, emits strong neutrinos and weak gamma rays, which presents a puzzle for scientists to solve. A ...

Stellar Collapse and Explosions Distribute Gold Throughout the Universe

May 7, 2025 — Magnetar flares, colossal cosmic explosions, may be directly responsible for the creation and distribution of heavy elements across the universe, suggests a new ...

NASA's NICER Maps Debris from Recurring Cosmic Crashes

May 6, 2025 — Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other ...

Gaia Spots Odd Family of Stars Desperate to Leave Home

May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying ...

A Vast Molecular Cloud, Long Invisible, Is Discovered Near Solar System

Apr. 28, 2025 — Astrophysicists have discovered a potentially star-forming cloud that is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected. The scientists ...

New Look at Galactic Region Surrounding Our Solar System: Lyman-Alpha Emissions

Apr. 28, 2025 — The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new ...

Turning Down Starlight to Spot New Exoplanets

Apr. 18, 2025 — Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent ...

The Most Distant Twin of the Milky Way Ever Observed

Apr. 16, 2025 — An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably ...

Scientists Find Evidence That Overturns Theories of the Origin of Water on Earth

Apr. 16, 2025 — Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to ...