Unexpected cosmic clumping could disprove our best understanding of the universe 

 The new study of galaxies, centered around a value for cosmic lumpiness known as S8, could join the Hubble tension in dethroning our best picture of how the universe evolved. 

https://cdn.mos.cms.futurecdn.net/MQ8aLacHVYqzfVR7RVp3QS.jpg

https://www.space.com/universe-cosmic-clumping-understanding-standard-model-cosmology