Galaxies
Latest about Galaxies

Our universe's smallest galaxies hold the largest star factories. Here's why
By Keith Cooper published
Conditions within dwarf galaxies initially produce more stellar-mass black holes than supernova explosions.

Our Milky Way galaxy's stunning spiral structure appears to be an anomaly. But why?
By Sharmila Kuthunur published
A new supercomputer simulation reveals why spiral galaxies like our Milky Way are strikingly scarce in our pocket of the universe.

Distant 'teenage galaxies' surprise astronomers with unexpected heavy elements
By Conor Feehly published
Significant amounts of nickel observed in galaxies only two-to-three billion years after the Big Bang.

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.

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.

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.

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.

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.
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