Universe Expansion May Be Slowing, Not Accelerating, Study Suggests

A new study challenges the Nobel-winning theory that the universe’s expansion is accelerating, suggesting instead that it may be slowing down as dark energy weakens — potentially leading to a future “big crunch” where the cosmos collapses back in on itself. “Our study shows that the universe has already entered a phase of decelerated expansion at the present epoch and that dark energy evolves with time much more rapidly than previously thought,” said Prof Young-Wook Lee,…