Over the course of six years, astronomers with the Dark Energy Survey (DES) surveyed 5,000 square degrees — almost one-eighth of the entire sky — in 758 nights of observation, cataloguing hundreds of millions of objects. Their results, published in 29 new papers, draw on data from the survey’s first three years — 226 million galaxies observed over 345 nights — to create the largest and most precise maps yet of the distribution...
