For nearly three decades, standard cosmology has treated dark energy as a constant. Now a unified catalogue of 2,884 exploding stars, combined with maps of galaxies and the Big Bang’s afterglow, has added another significant hint that dark energy changes

For nearly three decades, standard cosmology has treated dark energy as a constant. Now a unified catalogue of 2,884 exploding stars, combined with maps of galaxies and the Big Bang’s afterglow, has added another significant hint that dark energy changes

For nearly three decades, standard cosmology has treated dark energy as a constant. Now a unified catalogue of 2,884 exploding stars, combined with maps of galaxies and the Big Bang’s afterglow, has added another significant hint that dark energy changes