Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . CNN  —  Researchers have discovered a distant disc galaxy that has surprisingly similar characteristics to our own Milky Way , and it could change our understanding of how galaxies form. The galaxy, which has been named REBELS-25, is far more orderly than the existing science suggests it should be for its age, according to research led by astronomers