Latest about Galaxies
Something 'fishy' is happening with the Milky Way's dark matter halo
Stars around the outskirts of our galaxy may hint at a secret about the Milky Way's dark matter.
'Trainwreck' galaxy reflects the aftermath of a violent galactic collision (image)
The "peculiar," twisted galactic disk of the "trainwreck" lenticular galaxy NGC 4753 offers evidence of its violent collision with a dwarf galaxy over 1 billion years ago.
The universe might be younger than we think, galaxies' motion suggests
The motions of satellites in galaxy groups tell us that such groupings, and therefore possibly the universe, are younger than what standard cosmology tells us.
An impossibly huge ring of galaxies might lead us to new physics. Here's how
This galactic superstructure appears to us as it was over 9 billion years ago.
Are gaps in the Andromeda galaxy filled with dark matter? This NASA telescope could find out
NASA's forthcoming Nancy Grace Roman Space Telescope will zoom in on streams of stars in the Andromeda galaxy to hunt for dark matter.
What is the Large Magellanic Cloud?
Reference Learn all about the Large Magellanic Cloud, including what it is, what it features and its relation to the Milky Way.
Hubble Telescope reveals galaxy that hosted a supernova 2.5 billion times brighter than the sun (photo)
The Hubble Space Telescope zoomed into a galaxy 150 million light years away to study a supernova that released 2.5 billion times more energy than the sun, resulting in a stunning image.
How do we know what the Milky Way looks like?
Directly mapping the Milky Way is an extremely challenging task, but observations of other galaxies helped us piece together what our home galaxy looked like.
