Astronomers discover dark matter ‘bridge’ linking colliding galaxies: ‘This is the missing piece we’ve been looking for.’ A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a history of mergers. Astrobitica April 23, 2025 (Last updated: April 23, 2025) 1 minute read A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a history of mergers. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Chinese Engineers Used Gravitational Slingshots to Rescue a Pair of SatellitesNext: Gorgeous deep space photo captures the Andromeda Galaxy surrounded by glowing gas