Our galactic neighbor Andromeda has a bunch of satellite galaxies -- and they're weirdly pointing at us / Vast swarms of hidden galaxies may be secretly bathing the universe in a soft glow / Satellite galaxies gone awry: Andromeda's asymmetrical companions challenge cosmology / 'Hidden galaxies' could be smoking gun in universe riddle / Our understanding of the physical properties of galaxies could be wrong / Scientists find a galaxy that defies conventional wisdom / Euclid 'dark universe detective' spacecraft discovers 2,674 new dwarf galaxies / DECam and Gemini South discover three tiny 'stellar-ghost-town' galaxies / Astronomers defy the zone of avoidance to find hundreds of new galaxies / Galaxies get tangled up in 'the queen's hair' in new Hubble Telescope image