Mystery solved: how the Universe makes galaxies without dark matter Out of all the galaxies we know, only a few little ones are missing dark matter. At last, we finally understand why. Here’s something to ponder that might leave you scratching your head in bewilderment: a few years ago, the first galaxies without dark matter were…

https://medium.com/starts-with-a-bang/mystery-solved-how-the-universe-makes-galaxies-without-dark-matter-ff5f56b8fe4d