Dark energy might be changing and so is the Universe

Scientists using Japan's Fugaku supercomputer conducted simulations to test whether dark energy changes over time, challenging the standard model that assumes it remains constant. Based on data from the Dark Energy Spectroscopic Instrument, the simulations revealed that a dynamic dark energy model with 10% higher matter density could produce 70% more massive galaxy clusters in the early Universe. This enhanced clustering closely matches real astronomical observations, suggesting dark energy may be evolving and reshaping our understanding of cosmic evolution.