Analysis: Science & Technology — 26 August 2026
Gravity Holds on Cosmic Scales A new analysis of galaxy-cluster motions using the Atacama Cosmology Telescope shows that gravity weakens with distance almost exactly as Newton’s inverse-square law and Einstein’s general relativity predict, even across hundreds of millions of light-years. The result, published in Physical Review Letters, is the largest-scale test of the gravitational force … Read more