Cosmology News

October 11, 2026

Top Headlines

Powerful Simulations Reveal How the First Stars Changed the Universe

Oct. 3, 2026 Ultra-detailed simulations are showing how the first stars lit up the dark Universe and seeded space with elements such as carbon, oxygen, and iron. The MEGATRON project could bridge JWST observations of the earliest galaxies with chemical clues ...

This Suitcase-sized Spacecraft Could Hear the Universe Before Stars Existed

Sep. 28, 2026 CosmoCube will use the far side of the Moon as a shield from Earth’s radio noise to search for a faint signal from the universe before the first stars existed. The suitcase-sized satellite could reveal how the cosmic dark ages ended and how dark ...

A $100 Detector Can See Invisible Particles Raining Down from Space

Sep. 17, 2026 A pocket-sized, roughly $100 detector can reveal the invisible stream of cosmic particles constantly passing through Earth and even through our bodies. What began as a student physics project is now being used in major experiments, balloon missions, ...

NASA’s Roman Space Telescope Launches to Reveal the Universe’s Darkest Secrets

Aug. 31, 2026 NASA’s Roman Space Telescope has launched on a million mile journey to L2, where it will scan huge portions of the cosmos for clues about dark matter, dark energy, and distant worlds. With survey ...

NASA’s Roman Telescope Will See 100 Times More Sky Than Hubble

Aug. 28, 2026 NASA’s Roman Space Telescope will combine Hubble-like detail with a field of view 100 times larger, giving astronomers a sweeping new way to explore the cosmos. Its observations could uncover hidden planets, map billions of cosmic objects, and ...

NASA’s Roman Space Telescope Is Ready to Hunt Thousands of Alien Worlds

Aug. 26, 2026 NASA’s Roman Space Telescope is now enclosed inside its Falcon Heavy fairing and nearly ready for launch. Its mission could uncover thousands of exoplanets while helping scientists investigate dark matter, dark energy, and the accelerating ...

NASA Will Test SpaceX and Blue Origin Moon Landers Before the Next Lunar Landing

July 23, 2026 NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III in 2027, Orion astronauts will rendezvous and dock separately with ...

New AI Model Reveals How Neutron Star Mergers Forge Heavy Elements

July 8, 2026 Researchers have created an AI-based simulation that makes it much faster to model how neutron star mergers produce many of the universe's heaviest elements. The new tool could improve predictions of these powerful explosions while helping ...

Quantum Sensor Breakthrough Could Reveal Dark Matter and Ancient Gravitational Waves

July 7, 2026 Scientists have taken an important step toward building quantum detectors that could reveal some of the universe’s biggest secrets. Using a prototype device with two clouds of ultracold atoms, ...

Millions of Exploding Stars Could Soon Reveal Dark Energy's Secrets

June 29, 2026 A new AI-powered framework could transform how astronomers measure the expansion of the Universe. By analyzing images of Type Ia supernovae and modeling their environments in unprecedented detail, researchers can estimate cosmic distances with ...

AI Could Uncover New Physics Faster but There’s a Surprising Catch

June 11, 2026 Scientists found that transfer learning can make the search for new physics in the universe much faster, slashing the need for expensive simulations. Yet the approach can backfire when AI relies too heavily on familiar patterns, potentially missing ...

James Webb Telescope Reveals the Clearest Map Ever of the Universe’s Cosmic Web

May 12, 2026 Astronomers using NASA’s James Webb Space Telescope have created the clearest map yet of the universe’s “cosmic web” — the enormous hidden structure that connects galaxies across space. By ...

Latest Headlines

updated 3:07am EDT

MIT Astronomers Catch a Star in a Feast That Could Last Billions of Years

Oct. 10, 2026 Astronomers have discovered a bizarre star system about 300 light-years from Earth where a small star is slowly devouring a nearby brown dwarf, an object too massive to be a planet but too small to ...

Hubble Space Telescope May Have Found a Planet Born After Its Star Died

Oct. 9, 2026 A strange chemical signature in old Hubble observations may point to a planet that formed after its star had already died. Astronomers found unusually high levels of niobium around the white dwarf HS ...

A 9-Billion-Year-Old Signal Could Help Explain Dark Energy

Oct. 9, 2026 A Canadian radio telescope has detected the faint glow of hydrogen from billions of years ago using only its own observations, proving a long-awaited way to map the distant universe can actually ...

NASA’s Webb Finds Signs of Mars-Sized Worlds Smashing Together

Oct. 7, 2026 NASA’s James Webb Space Telescope is giving astronomers a glimpse of the kinds of violent collisions that may have shaped our own solar system, including the giant impact thought to have created ...

Scientists Find a Surprising Clue to Why the Universe’s Expansion Doesn’t Add Up

Oct. 4, 2026 Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe is expanding. ...

The Early Universe Wasn’t Nearly as Pristine as Scientists Thought

Oct. 2, 2026 JWST has revealed that galaxies were spreading carbon, oxygen, and other heavy elements through space just 500 million years after the Big Bang. The surprising discovery suggests the young universe ...

Black Hole Jets May Decide the Fate of Entire Galaxies

Sep. 30, 2026 Powerful jets from supermassive black holes can disturb star-forming gas far beyond a galaxy’s visible edge, leaving a glowing trail hundreds of thousands of light-years long. By keeping this gas ...

James Webb Reveals Why Planet Formation Is a Race Against Time

Sep. 28, 2026 JWST has revealed that young planetary systems lose their planet-building gas through a changing mix of powerful jets, molecular winds, and radiation-driven outflows. As the disks age and their gas ...

Is the Universe Infinite? The Answer Gets Weird Fast

Sep. 27, 2026 Measurements of ancient light from the cosmic microwave background suggest that the universe is remarkably flat. But that does not prove it is infinite, because the observable cosmos could be only a ...

These Massive Stars Could Explain Webb’s Strangest Galaxies

Sep. 24, 2026 Hubble observations of massive stars in metal-poor dwarf galaxies are revealing clues to why the early universe looks so unusual. Researchers found that stellar winds weaken sharply at extremely low ...

The LHC Just Ruled out Another Hiding Place for Quantum Black Holes

Sep. 22, 2026 Physicists searching through Large Hadron Collider data found no evidence that the machine has been producing microscopic quantum black holes, but the result sharply narrows where such exotic physics ...

JWST’s Mysterious Little Red Dots May Be Black Holes Growing at Incredible Speeds

Sep. 17, 2026 New supercomputer simulations suggest JWST’s puzzling Little Red Dots are rapidly growing black holes from the early Universe. Extreme radiation may have helped create unusually massive black hole ...

James Webb Reveals Chariklo’s Mysterious Rings Are Changing Faster Than Expected

Sep. 15, 2026 The James Webb Space Telescope has revealed surprising changes in the rings around Chariklo, a small object orbiting between Saturn and Uranus. Over just a few years, its inner ring became more ...

The Moon May Have Formed Intact Just Hours After a Giant Collision

Sep. 9, 2026 Scientists have discovered that the Moon-forming collision may have depended heavily on how hot and physically strong early Earth and Theia were. New simulations found that some impacts create the ...

Astronomers Detect Ancient Hydrogen Signal That Could Help Map the Universe

Sep. 8, 2026 Astronomers have detected an exceptionally faint hydrogen radio signal from billions of light-years away using South Africa’s MeerKAT telescope. Instead of finding galaxies one at a time, the ...

The Universe Has Plenty of Hydrogen. So Why Is Star Formation Collapsing?

Sep. 3, 2026 Star formation across the universe has fallen dramatically over the past 4.5 billion years, but astronomers have uncovered a surprising twist: the supply of neutral hydrogen, a key ingredient for ...

Earth May Have Lost the Sun’s Protective Shield Millions of Years Ago

Sep. 2, 2026 NASA-funded studies suggest Earth’s climate has been influenced by both the Sun’s travels through dense regions of the Milky Way and the violent superflares of its youth. Those events may help ...

JWST Finds Early Galaxies May Be 4 Times More Massive Than Thought

Aug. 22, 2026 Astronomers using JWST have discovered that massive early galaxies contain far more small, faint stars than expected. That hidden population could make some of these galaxies three to four times more ...

Physicists Create a Tiny “Big Bang” With Surprisingly Small Atomic Nuclei

Aug. 23, 2026 Researchers at CERN have created microscopic versions of the early Universe by colliding surprisingly small atomic nuclei at nearly the speed of light. The collisions produced quark-gluon plasma, the ...

A Mysterious Cosmic Hum May Come from 13-Billion-Year-Old Dark Stars

Aug. 27, 2026 Today’s mysterious gravitational-wave background may preserve clues about how the Universe’s first supermassive black holes formed. Descendants of hypothetical Dark Stars could be responsible for ...

Dying Radio Galaxies Fade Faster Than Scientists Expected

Sep. 4, 2026 Astronomers have identified a surprisingly young population of fading radio galaxies whose supermassive black holes have already switched off their powerful jets. The confirmed remnants range from ...

Rocky Planets May Have Formed Just 100 Million Years After the Big Bang

Aug. 31, 2026 Rocky planets may have been able to start forming just 100 million years after the Big Bang, thanks to enormous early supernovae that scattered planet-building elements across space. Simulations ...

JWST Spots a Bizarre “black Hole Star” 100 Billion Times Brighter Than a Star

Aug. 13, 2026 Astronomers using the James Webb Space Telescope have discovered a bizarre object from just a few hundred million years after the Big Bang that looks like an enormous star but shines far too brightly ...

James Webb Captures a Cosmic Lion Sculpted by a Dying Star

Aug. 12, 2026 James Webb has captured a striking new infrared view of NGC 2392, the Lion Nebula, revealing the dramatic aftermath of a dying Sun-like star. At its center, a scorching white dwarf is blasting ...

A Massive New Cosmic Map Is Revealing Black Holes, Rare Stars, and Hidden Gas

Aug. 14, 2026 Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to the Southern Hemisphere. The data reveal ...

Black Holes May Spit out Nearly as Much Matter as They Swallow

July 31, 2026 A black hole observed during a dramatic 2023 eruption did not simply devour gas from its nearby companion star. It also expelled large amounts of material through powerful jets and winds, even after ...

Supermassive Black Hole Winds Are 100 Times More Powerful Than Scientists Thought

Sep. 15, 2026 Astronomers have discovered that winds from a supermassive black hole are about 100 times more powerful than previously thought. XRISM observations showed the resulting turbulence spreading roughly ...

Webb’s Mysterious Little Red Dots May Be Hiding Entire Galaxies

Aug. 17, 2026 Astronomers may finally have a clue to what happens to the mysterious “little red dots” that crowded the early universe. By studying a spiral galaxy nicknamed the “Saguaro,” researchers found ...

Blazing Like 10 Billion Suns: NASA’s Swift Sees a Wandering Black Hole Devouring a Star

July 28, 2026 NASA’s Swift Observatory observed a supermassive black hole ripping apart a star more than 30,000 light-years from the center of a distant galaxy. The extraordinary flare briefly outshone its ...

Tiny Black Holes May Be Secretly Exploding Stars Across the Milky Way

Aug. 1, 2026 Primordial black holes may occasionally pass through white dwarf stars and trigger enormous Type Ia supernova explosions. Researchers found that these events could explain chemical patterns seen in ...