Astronomers at W. M. Keck Observatory on Maunakea, Hawaiʻi Island, have discovered the third known galaxy that seemingly lacks dark matter. This galaxy is part of a peculiar linear structure that may have resulted from a violent collision between galaxies.
 *The full trail of galaxies, with an inset image of DF9 taken by the Hubble Space Telescope. Credit: Keim et al. (2026)/DECaLS/HST*](https://astrobitica.com/wp-content/uploads/2026/06/YN_DF9-drak-galaxy_20260630_213243.jpg)
Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island, have discovered the third known galaxy apparently lacking dark matter, part of a strange linear structure that may have formed during a violent collision between galaxies.
