It gets its name from the constellation it’s found within the boundaries of—Andromeda. In Greek mythology, Andromeda is the daughter of the king Cepheus and his wife Cassiopeia. Both of those ...
neighboring Andromeda galaxy, as it will unfold over the next several billion years. According to a new study, our Milky Way galaxy may have already begun colliding with the closest giant galaxy ...
The Hubble Space Telescope has been snapping pictures of the universe for the best part of 35 years, and now astronomers have completed a magnificent 417-megapixel photomosaic of the Andromeda galaxy.