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Recent Space Stories

This portion of the universe generated from dark matter halos in the Uchuu simulation shows the distribution of galaxies and quasars up to billions of light-years away.
GPS+ gives cosmologists a sharper count of dark matter halos, improving models of galaxy formation and the early universe.
Joseph Shavitupda
The night sky looks crowded, but physics may keep distant civilizations from ever meeting or even noticing one another.
SpaceThe harsh physics behind interstellar travel and why Earth may never be visited by aliensJoseph Shavit
New calculations show how a collapsing star might form a gravastar, avoiding a black hole’s singularity and event horizon.
SpaceCollapsing stars could form gravastars instead of black holesJoshua Shavit
A new study suggests alien life could be going undetected because scientists focus more on avoiding false discoveries than missing real ones.
SpaceScientists warn we may be missing signs of alien life across the universeJoseph Shavit
Artist's impression of the exoplanet WASP-121 b. It belongs to the class of hot Jupiters. Due to its proximity to the central star, the planet's rotation is tidally locked to its orbit around it.
SpaceJWST finds rare planet with different atmospheric conditions at dawn and duskJoseph Shavit
Sahara angrite meteorite offers direct evidence that a lost early protoplanet was far larger than once believed.
DiscoveriesRare meteorite points to a long-lost planet from our early solar systemJoshua Shavit
An artist’s impression of the galaxy CRISTAL-02, with a huge plume of cold gas extending away from it. This plume is almost as long as the galaxy itself, which is a telltale sign that gas is being driven out of the galaxy.
SpaceGalaxy-killing wind may explain why giant galaxies died so earlyJoseph Shavit
Astronomers found the earliest flickering quasar yet, revealing a thin, mature-looking disk around a young supermassive black hole.
SpaceMIT astronomers detect oldest known flickering quasar from the cosmic dawnJoseph Shavit
A lunar meteorite records a 3.5-billion-year impact, matching evidence from Earth and Vesta in the young inner solar system.
SpaceLunar meteorite discovery reveals violent chapter in the inner solar system 3.5 billion years agoJoshua Shavit
Artist’s impression of a neutron star merger.
SpaceAI helps scientists model kilonova-producing neutron star mergersShy Cohen
This composite image shows evidence for a wind blowing away from Sagittarius A* (Sgr A*), the supermassive black hole in the center of our galaxy. The white dot in the center of the image shows Sgr A*. In orange is data from the Atacama Large Millimeter/Submillimeter Array radio telescopes in Chile, mapping the location of cold gas composed of carbon monoxide in the image. In blue is X-ray data from NASA’s Chandra X-ray Observatory.
SpaceMilky Way’s central black hole wind finally detected ending 50-year searchJoshua Shavit
Simulations show a compact X-ray telescope could map the Moon’s surface chemistry in as little as one to two years.
SpaceCompact X-ray telescope could deliver the first full chemical map of the MoonJoseph Shavit
New SETI rules tighten how scientists verify and announce possible evidence of extraterrestrial intelligence.
SpaceDisclosure Day: New SETI protocols aim to prevent panic, misinformationShy Cohen
NASA veteran says vacuum tests reveal a strange thrust force with no fuel.
SpaceFormer NASA engineer creates electrostatic space drive — no propellant neededJoseph Shavit
SETI scientists scanned interstellar object 3I/ATLAS for radio technosignatures and found no evidence of artificial signals.
SpaceSETI checked 3I/ATLAS for alien signals — Here’s what they foundJoseph Shavit
A new tachyon theory argues faster-than-light particles may fit within relativity without the old paradoxes about time and causality.
SpaceNew tachyon theory could unlock the secrets of time travel and causalityJoshua Shavit
New simulations show fast flavor conversion can either help or hinder core-collapse supernova explosions.
SpaceThe explosive fate of a collapsing star depends on neutrinosJoseph Shavit