Andromeda, Hubble Space Telescope and dwarf galaxies

Am astrophotographer has now unveiled the most breathtaking photo of the Andromeda galaxy we've ever seen, and he took it ...
Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...
Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.