Galaxies
Latest about Galaxies
![Artist’s impression of a dwarf galaxy undergoing tidal stripping](https://cdn.mos.cms.futurecdn.net/dzLdQvccMqUCyJCm8R4iHj-320-80.jpg)
These small galaxies were shredded by their larger siblings — but they survived
By Sharmila Kuthunur published
The rare dwarf galaxies were likely victims of galactic cannibalism.
![An illustration of a torus of dust hiding a feeding supermassive black hole](https://cdn.mos.cms.futurecdn.net/pWCu6q9GL9dRCvD4yPziHU-320-80.jpg)
Star-birthing galaxies can hide supermassive black holes behind walls of dust
By Robert Lea published
Feeding supermassive black holes, hosting objects that power quasars blasting out the most powerful light in the universe, could hide in galaxies behind thick clouds of dust.
![The andromeda galaxy is the nearest galaxy to the Milky Way.](https://cdn.mos.cms.futurecdn.net/hCXYB5YKXzdq2WEHYEe36d-320-80.jpg)
Andromeda Galaxy: Facts about our closest galactic neighbor
By Nola Taylor Tillman, Rebecca Sohn last updated
Reference The Andromeda galaxy is the most distant object in the sky that you can see with your unaided eye. It's also on a collision course with our Milky Way.
![a mosaic of some of the galaxies in the new atlas](https://cdn.mos.cms.futurecdn.net/nbYnaZer9478zVaSNMY8MC-320-80.jpg)
New 'galactic atlas' offers stunning details of 400,000 galaxies near the Milky Way
By Robert Lea published
The new Siena Galaxy Atlas is an information gold mine for astronomers and a free gallery of galaxy portraits for the public.
![The many personalities of our great galactic neighbor, the Andromeda galaxy, are exposed in this composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.](https://cdn.mos.cms.futurecdn.net/QdmXgwKe5qBLSoPXuu8MQL-320-80.jpg)
Galactic archeology reveals Milky Way's neighbor Andromeda has a violent past
By Robert Lea published
A new chemical analysis of stars in Andromeda has revealed the galaxy next door had a more chaotic upbringing than the Milky Way, defined by a galactic clash and merger.
![An image of a sort of twisted galaxy.](https://cdn.mos.cms.futurecdn.net/k3YYiW6PNYVLMBB6jhdbo3-320-80.jpg)
The Milky Way is warped, and it might be the work of dark matter
By Robert Lea published
The Milky Way is warped and scientists may finally know why. New research lays the blame for our 'wobbly disked' galaxy on an off-kilter, invisible halo of dark matter.
![An image of the Milky Way's galactic center with beautiful purples, blues and some glowing white hues.](https://cdn.mos.cms.futurecdn.net/xrNauf2B8gFPtEERJXv837-320-80.png)
The Milky Way's 'fountain of youth' is made of forbidden stars and water ice
By Robert Lea published
Astronomers have seen a shocking wealth of young stars and ice water around our galaxy’s supermassive black hole, Sagittarius A*.
![a black array of stars and galaxies, with an extra bright one shining bottom of left center.](https://cdn.mos.cms.futurecdn.net/D6jSjZQYXLKswwqQVXPmCP-320-80.jpg)
Dark Energy Camera peels back layers of 'galactic onion' stretched across space
By Samantha Mathewson published
The shell galaxy NGC 3923's symmetrical onion-like layers, that extend 150,000 light-years across space, appear in a new photo from the Dark Energy Camera.
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