Weird cosmic clumping hints our understanding of the universe is wrong

We don’t know how clumpy the universe is. A survey of more than 25 million galaxies has found a discrepancy between the two main ways to measure how matter is clustered, suggesting that there is something wrong with the widely accepted standard model of cosmology – our best understanding of the universe.

The work looked at three years of data from the Hyper Suprime-Cam (HSC) programme, based at the Subaru telescope in Japan. Crucial to the finding was an effect…