'Dark subhaloes' may explain why galaxies seem to form pre-determined shapes
Our universe is full of mysteries, but few are as perplexing as the dark, tiny galaxies that hover around larger ones like the Milky Way.
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Our universe is full of mysteries, but few are as perplexing as the dark, tiny galaxies that hover around larger ones like the Milky Way.
In the cold and dark.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in this NASA Hubble Space Telescope image from April 13, 202...
Image Caption purple, blue, and pink iridescent 3D model of the Steven's quintet galaxy cluster A researcher used software to convert an image of stars into...
Astronomers using data from the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) have discovered tens of thousands of gigantic hydrogen gas halos, called “Lyman-alpha nebulae...
A new study explains how dense pockets of matter could have survived over an age-old cycle of multiple ‘Big Bangs.’
In 2014, a strange cloudy object called G2 made a close approach to Sagittarius A*, (Sag A*) the supermassive black hole at the heart of the Milky Way Galaxy. Astronomers were pret...
The Milky Way galaxy grew into its current form with the help of smaller galaxies over time, which it has "consumed" or merged with. Astronomers are able to pick out which stars in...
The Sombrero galaxy's name fits perfectly.
Scientists believe galaxies like UGC 477 are largely dominated by dark matter.
A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.
A new study suggests the Milky Way consumed an ancient dwarf galaxy billions of years ago, and its stellar remains may still be embedded within ours.
The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region h...
"The dark structures shaping galaxies today could be relics from a time before the Big Bang." The post Physicist Proposes Dark Matter Is Made of Black Holes That Survived Dead Univ...
The Small Magellanic Cloud, a neighbor of our Milky Way galaxy, stuns in this ambassador's picture.
Which comes first, the galaxy or the black hole? We don't know, but scientists have long thought it could be the galaxy: Large stars within an existing galaxy consume their fuel an...
Astronomers recently carried out a comprehensive search for strange "winged" radio galaxies using data from the LOFAR Two-meter Sky Survey Data Release 2 (LoTSS DR2) and discovered...
Who is Galaxy? This groundbreaking trans lesbian alien from DC comics will continue to tell her story and now's the perfect time to catch up.
A recent Webb discovery defies the classic scenario of how black holes form and grow.
Galaxies grow through mergers and collisions, and astronomers want to know more about the mergers in the Milky Way's past. But mergers can stir up the stars in the resulting galaxy...
RISC-V-based systems pack 32 Blackhole accelerators in a 6U, $110K chassis Tenstorrent on Tuesday announced the general availability of its Galaxy Blackhole AI compute platform.…
The Nike GT Future CHBL PE brings one of the model’s most striking looks yet with a bright pink galaxy finish across its molded upper. Designed for the Chinese High School Basketba...
Two objects that appeared to be galaxies residing in a universe about 150 million years old turn out to be brown dwarfs in the Milky Way. The post Webb Telescope Reveals Brown Dwar...
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