Studying Dark Energy...With Light

The universe is teeming with galaxies, but gravity distorts our view of them. Astrophysicists with the ongoing Dark Energy Survey have now collected giant catalogs of the distorted shapes of 24 million distant galaxies, making it possible to probe the underlying structure of the rapidly expanding universe.Dark Energy Survey scientists investigated the "cosmic web" of galaxies at least as big as the Milky Way -- as well as the surrounding hidden clumps of dark matter. They presented their researc...