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Category: Astronomy

Astronomers Solve the 800-Year-Old Mystery of the 1181 “Guest Star”

Astronomers Solve the 800-Year-Old Mystery of the 1181 “Guest Star”

Editors of ScienceNewsTodayJanuary 3, 2026January 3, 2026

Most stars that end their lives in explosions do so with overwhelming finality. They tear themselves apart, scattering their remains…

The Ghost Planet: Astronomers Just Captured a World Wandering the Dark Without a Sun

The Ghost Planet: Astronomers Just Captured a World Wandering the Dark Without a Sun

Editors of ScienceNewsTodayJanuary 3, 2026January 3, 2026

In the vast architecture of the universe, most planets are creatures of routine. They circle their stars with dependable regularity,…

The “Ghost Particle” That Wasn’t: Scientists Finally Solve a Decades-Old Space Mystery

The “Ghost Particle” That Wasn’t: Scientists Finally Solve a Decades-Old Space Mystery

Editors of ScienceNewsTodayJanuary 2, 2026January 2, 2026

In a cavern of steel, electronics, and chilled liquid argon beneath the plains of Illinois, physicists have been listening for…

Dark Matter Leaves No Light — But Quantum Sensors Might Still Hear It

Dark Matter Leaves No Light — But Quantum Sensors Might Still Hear It

Editors of ScienceNewsTodayJanuary 2, 2026January 2, 2026

Dark matter moves through the universe like a silent ghost. It does not glow, it does not cast shadows, and…

Astronomers Thought This Star Was Just “Flickering.” The Reality is Much More Violent

Astronomers Thought This Star Was Just “Flickering.” The Reality is Much More Violent

Editors of ScienceNewsTodayJanuary 2, 2026January 2, 2026

For years, V1180 Cassiopeiae sat quietly in the catalogs of astronomy, a young star behaving much like others of its…

Astronomers Found Old Stars Moving So Fast They’re Escaping Our Galaxy

Astronomers Found Old Stars Moving So Fast They’re Escaping Our Galaxy

Editors of ScienceNewsTodayJanuary 2, 2026January 2, 2026

Some stars are born wanderers. Others are pushed into motion by forces so extreme that they tear them away from…

Astronomers Thought This Galaxy Was “Dead”—Then They Found Its Hidden Twin Heart

Astronomers Thought This Galaxy Was “Dead”—Then They Found Its Hidden Twin Heart

Editors of ScienceNewsTodayJanuary 1, 2026January 1, 2026

From a distance, NGC 4486B looks calm, almost unremarkable. It is a compact elliptical galaxy tucked into the crowded heart…

The Universe Was Only 700 Million Years Old When This Star Died. We Just Saw It Happen

The Universe Was Only 700 Million Years Old When This Star Died. We Just Saw It Happen

Editors of ScienceNewsTodayJanuary 1, 2026January 1, 2026

On March 14, 2025, something ancient screamed across the cosmos and briefly touched our modern instruments. It was a burst…

This Cosmic Explosion Lasted All Night—and Scientists Still Don’t Know Why

This Cosmic Explosion Lasted All Night—and Scientists Still Don’t Know Why

Editors of ScienceNewsTodayJanuary 1, 2026January 1, 2026

Gamma-ray bursts usually arrive like cosmic lightning strikes. They flare brilliantly and vanish almost as quickly, leaving astronomers scrambling to…

It Looks Like Frozen Bubbles, but This Discovery Is Actually a Massive 2-Billion-Year-Old Collision

It Looks Like Frozen Bubbles, but This Discovery Is Actually a Massive 2-Billion-Year-Old Collision

Editors of ScienceNewsTodayJanuary 1, 2026January 1, 2026

As calendars turned and celebrations marked the arrival of a new year, astronomers found themselves raising a different kind of…

No Alien Signals Detected from 3I/ATLAS, But Its Journey Still Leaves Us Stunned

No Alien Signals Detected from 3I/ATLAS, But Its Journey Still Leaves Us Stunned

Muhammad TuhinDecember 31, 2025December 31, 2025

When astronomers first noticed a faint, fast-moving object slipping into our solar system on July 1, 2025, it felt like…

Move Over, Sun: This Supermassive Black Hole Just Had a Flare-Up That Put Solar Storms to Shame

Move Over, Sun: This Supermassive Black Hole Just Had a Flare-Up That Put Solar Storms to Shame

Editors of ScienceNewsTodayDecember 31, 2025December 31, 2025

Somewhere deep within a graceful spiral galaxy called NGC 3783, a quiet balance was broken. For countless years, a supermassive…

This “Quiet” Galaxy Was Hiding a Secret 160,000 Light-Years Wide

This “Quiet” Galaxy Was Hiding a Secret 160,000 Light-Years Wide

Editors of ScienceNewsTodayDecember 31, 2025December 31, 2025

At first glance, ESO 130-G012 did not look like a troublemaker. It sits some 55 million light years away, an…

Astronomers Just Solved a 2,000-Year-Old Mystery—And It Wasn’t a Star After All

Astronomers Just Solved a 2,000-Year-Old Mystery—And It Wasn’t a Star After All

Editors of ScienceNewsTodayDecember 31, 2025December 31, 2025

For centuries, the Star of Bethlehem has hovered between faith and mystery. It shines briefly in the biblical story, guiding…

150 Light Years Away, an “Ordinary” Star Just Unleashed a 91 Decillion Erg Explosion

150 Light Years Away, an “Ordinary” Star Just Unleashed a 91 Decillion Erg Explosion

Editors of ScienceNewsTodayDecember 31, 2025December 31, 2025

It began not with fireworks, but with a quiet signal slipping through the data streams of a space telescope. Somewhere…

Astronomers Discover a Cosmic Smash-Up 1.3 Million Light Years Wide

Astronomers Discover a Cosmic Smash-Up 1.3 Million Light Years Wide

Editors of ScienceNewsTodayDecember 25, 2025December 25, 2025

From Earth, the region of space known as RXC J0032.1+1808 looks calm, almost unremarkable. It sits quietly in the nearby…

Astronomers Found Three Hungry Black Holes Colliding in a Single Cosmic System

Astronomers Found Three Hungry Black Holes Colliding in a Single Cosmic System

Editors of ScienceNewsTodayDecember 25, 2025December 25, 2025

From 1.2 billion light-years away, a faint but persistent radio glow reached Earth, carrying with it a story no one…

Hubble Found the Biggest Planet-Building Disk Ever—and It’s Wildly One-Sided

Hubble Found the Biggest Planet-Building Disk Ever—and It’s Wildly One-Sided

Editors of ScienceNewsTodayDecember 24, 2025December 25, 2025

When astronomers pointed NASA’s Hubble Space Telescope toward a young star system about 1,000 light-years from Earth, they expected something…

Scientists Crack Open Billion-Year-Old Salt—and Discover a Shockingly Breathable Ancient Earth

Scientists Crack Open Billion-Year-Old Salt—and Discover a Shockingly Breathable Ancient Earth

Editors of ScienceNewsTodayDecember 24, 2025December 25, 2025

More than a billion years ago, sunlight shimmered across a shallow lake in what is now northern Ontario. The world…

This Supernova Didn’t Explode Loudly — and That’s Exactly Why Scientists Are Excited

This Supernova Didn’t Explode Loudly — and That’s Exactly Why Scientists Are Excited

Editors of ScienceNewsTodayDecember 22, 2025December 25, 2025

On a June night in 2022, something subtle changed in a distant spiral galaxy. There was no flash bright enough…

This Glowing Cloud Isn’t a Celebration — It’s Thousands of Stars Being Born at Once

This Glowing Cloud Isn’t a Celebration — It’s Thousands of Stars Being Born at Once

Editors of ScienceNewsTodayDecember 21, 2025December 25, 2025

At first glance, the scene feels almost celebratory, as if the universe itself has strung lights across a dark sky.…

Astronomers Thought They Found a Planet — Then It Vanished and Something Even Stranger Appeared

Astronomers Thought They Found a Planet — Then It Vanished and Something Even Stranger Appeared

Editors of ScienceNewsTodayDecember 19, 2025December 25, 2025

The story began the way many astronomical discoveries do: with something that looked ordinary at first glance. A bright point…

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