Could black hole mergers finally solve the Hubble tension? Probably not Astronomers just ruled out merging black holes as a possible solution to a giant discrepancy plaguing cosmology. Astrobitica August 25, 2025 (Last updated: August 25, 2025) 1 minute read Astronomers just ruled out merging black holes as a possible solution to a giant discrepancy plaguing cosmology. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Venus quiz: How much do you know about this hottie?Next: SpaceX Dragon on way to space station with cargo, new reboost capability