Technology Dark Matter Galaxy Discovered: CDG-2 Reveals 99% Dark Matter Content by Anika Shah - Technology March 2, 2026 by Anika Shah - Technology March 2, 2026 Ghostly Galaxy CDG-2: A Dark Matter Enigma Astronomers have discovered a faint galaxy, designated CDG-2, that is overwhelmingly dominated by dark matter. This nearly invisible galaxy was revealed through the … 0 FacebookTwitterPinterestEmail