Tuesday, June 30, 2026

Astronomers Discover Another Galaxy With No Dark Matter

![The full trail of galaxies, with an inset image of DF9 taken by the Hubble Space Telescope. Credit: Keim et al. (2026)/DECaLS/HST](/article_images/YN_DF9-drak-galaxy_20260630_213201.jpg) *The full trail of galaxies, with an inset image of DF9 taken by the Hubble Space Telescope. Credit: Keim et al. (2026)/DECaLS/HST*

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.



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