Stars News

September 19, 2025

Top Headlines

A Star Torn Apart by a Black Hole Lit Up the Universe Twice

Aug. 22, 2025 — Astronomers using AI have captured a once-in-a-lifetime cosmic event: a massive star’s violent death triggered by its black hole companion. The explosion, known as SN 2023zkd, not only produced a brilliant supernova but also shocked scientists by ...

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 ...

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 ...

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 (a 1 with 78 zeros) to perish. That is much ...

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

Apr. 29, 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 look ...

Scientists Discover How Stellar-mass Black Holes Emit Powerful Plasma Jets

Apr. 21, 2025 — Scientists have discovered key conditions needed for a stellar black hole to create plasma jets. Their findings show that when superheated gas material experiences a rapid shrinkage towards the black hole, jet formation ...

Ever Wonder Why Some Meteor Showers Are so Unpredictable?

Apr. 16, 2025 — Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the kick they receive from a moving ...

'Big Surprise': Astronomers Find Planet in Perpendicular Orbit Around Pair of Stars

Apr. 16, 2025 — Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first time we have strong evidence for one of these 'polar planets' orbiting a ...

Our Closest Neighboring Galaxy May Be Being Torn Apart

Apr. 14, 2025 — A team has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way. Their findings suggest that the gravitational pull of the Large Magellanic Cloud (LMC), the SMC's larger ...

Astronomers Discover Doomed Pair of Spiralling Stars on Our Cosmic Doorstep

Apr. 4, 2025 — Astronomers have discovered an extremely rare, high mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing 10 times brighter than the ...

Latest Headlines

updated 9:33pm EDT

White Dwarf Caught Devouring a Frozen Pluto-Like World

Sep. 18, 2025 — Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest evidence yet that icy, life-delivering ...

NASA's Webb Space Telescope Just Found Strange Red Dots That Shouldn’t Exist

Sep. 14, 2025 — Astronomers using the James Webb Space Telescope have uncovered mysterious “little red dots” that may not be galaxies at all, but a whole new ...

Hidden Star Systems in the Milky Way Could Unlock the Secrets of Dark Matter

Sep. 12, 2025 — For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter. Using ultra-detailed ...

Black Holes Just Proved Stephen Hawking Right With the Clearest Signal Yet

Sep. 12, 2025 — Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever-clearer signals, researchers are testing Einstein’s relativity and ...

A Doomed Star System Could Soon Shine as Bright as the Moon

Sep. 11, 2025 — Astronomers have uncovered the violent secret of V Sagittae, a white dwarf star consuming its companion in a spectacular feeding frenzy. This cosmic dance not only makes the system burn with unusual ...

This Rare White Dwarf Looks Normal, Until Hubble Shows Its Explosive Secret

Sep. 10, 2025 — Hubble has uncovered a rare ultra-massive white dwarf created in a violent star merger. Once thought to be ordinary, the star’s ultraviolet signature revealed its explosive history and hinted that ...

NASA’s Celestial “Accident” Unlocks Secrets of Jupiter and Saturn

Sep. 10, 2025 — Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon molecule missing from Jupiter and Saturn’s skies. Its ancient, ...

Planet Birth Photographed for the First Time

Sep. 9, 2025 — Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until ...

A Monster Molecular Cloud Has Been Discovered in Our Galaxy – “No One Had Any Idea This Existed”

Sep. 4, 2025 — Researchers spotted a colossal cloud of gas and dust in the Milky Way, filled with turbulent motion, newborn star seeds, and even a natural microwave ...

Dark Matter Could Be Turning Giant Planets Into Black Holes

Sep. 1, 2025 — Astronomers have found over 5,000 exoplanets, and now scientists think these distant worlds could unlock one of the universe’s greatest mysteries: dark matter. A new study suggests that ...

NASA’s X-Ray Telescope Finds Bizarre Features in a Cosmic Hand

Aug. 31, 2025 — Astronomers have taken a fresh look at the famous “Hand of God” pulsar, combining X-ray data from NASA’s Chandra Observatory with new radio observations from the Australia Telescope Compact ...

Astronomers Uncover Enormous Bubble Bigger Than Our Solar System

Aug. 21, 2025 — A giant bubble of gas and dust surrounds the red supergiant DFK 52, likely created in a powerful outburst 4,000 years ago. Astronomers are baffled at how the star survived without going supernova, ...

Astronomers Stunned by the Strangest Supernova Ever Seen

Aug. 21, 2025 — Scientists have identified a never-before-seen supernova, SN2021yfj, which exploded after losing nearly all of its outer layers. Instead of light elements, it revealed silicon and sulfur from deep ...

Mysterious “little Red Dots” Could Reveal How the First Black Holes Formed

Aug. 22, 2025 — Astronomers may have uncovered the origins of the mysterious “little red dots,” some of the strangest galaxies seen in the early universe. These tiny but brilliant objects, discovered by the ...

The Disappearing Planet Next Door Has Astronomers Intrigued

Aug. 14, 2025 — NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest Sun-like star to Earth. Located just 4 light-years away, this possible ...

Giant Einstein Ring Reveals One of the Universe’s Biggest Black Holes

Aug. 10, 2025 — Astronomers have uncovered what may be the most massive black hole ever found, 36 billion times the mass of our Sun, hidden at the heart of the Cosmic Horseshoe galaxy. Located 5 billion light-years ...

Scientists Stunned by the Universe’s First Known Black Hole

Aug. 31, 2025 — Just 500 million years after the Big Bang, a colossal black hole, 300 million times the mass of the Sun, was already blazing at the heart of a tiny, brilliant galaxy. Found with JWST, this discovery ...

Hubble Just Exposed a Rare and Violent Star Collision

Aug. 7, 2025 — Hubble has helped uncover a white dwarf that’s likely the result of two stars crashing together. Carbon traces in its atmosphere tell a story of a cosmic merger, a rare phenomenon previously ...

‘Bridge’ of Stray Stars Reveals Two Massive Galaxies Tearing Each Other Apart

Aug. 6, 2025 — Astronomers have discovered a ghostly, million-light-year-long bridge of stars connecting two massive galaxies within the Abell 3667 cluster, 700 million light-years away. This glowing thread of ...

Betelgeuse’s Hidden Companion Star Found After Centuries of Searching

Aug. 13, 2025 — Astronomers have finally confirmed the existence of a long-suspected companion star orbiting Betelgeuse, the iconic red supergiant in Orion. Using the advanced 'Alopeke speckle imager on the ...

Star Survives Black Hole and Comes Back for More

Aug. 6, 2025 — This is the first confirmed case of a star that survived an encounter with a supermassive black hole and came back for more. This discovery upends conventional wisdom about such tidal disruption ...

Astronomers Capture Giant Planet Forming 440 Light-Years from Earth

July 23, 2025 — Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary disc—exactly where theory predicted. The direct light detection is what ...

NASA’s Roman Telescope Will Catch 100,000 Explosions — and Rewrite the Universe’s Story

July 22, 2025 — NASA’s Roman Space Telescope is set to embark on a deep-sky survey that could capture nearly 100,000 cosmic explosions, shedding light on everything from dark energy to black hole physics. Its ...

NASA’s IXPE Tracked a Rare Pulsar—and Found an Unexpected Power Source

July 20, 2025 — Astronomers studying a rare neutron star system have uncovered a surprising source of powerful X-rays. Using NASA s IXPE telescope and data from other observatories, an international team found that ...

Two Monster Black Holes Just Collided — It’s So Massive, It Shouldn’t Exist

July 14, 2025 — Two colossal black holes among the most massive ever seen collided in deep space, creating gravitational waves that rippled across the cosmos and shook the foundations of astrophysical theory. ...

Gravitational Shockwave: LIGO Catches a 225-Solar-Mass Black-Hole Smash-Up

July 14, 2025 — Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely forged by earlier smash-ups fused into a 225-solar-mass titan, GW231123. ...

100 Ghost Galaxies May Be Orbiting the Milky Way—and We’re Just Now Uncovering Them

July 13, 2025 — New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" ...

These Mysterious Stars Could Glow Forever Using Dark Matter

July 13, 2025 — Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have proposed the existence of “dark dwarfs,” strange glowing objects ...

A Star Exploded Twice — First-Ever Image Reveals Its Cosmic Fingerprint

July 3, 2025 — Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers ...

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 ...