A rare signal from the early universe sends scientists clues about dark matter

A rare signal from the early universe sends scientists clues about dark matter  Los Angeles Times 13.6 billion years later, astronomers have found clues to our earliest stars  The Verge Signals received from the 'cosmic dawn' nearly 14 billion years ago  USA TODAY Primordial Chill Hints at Dark Matter Interactions in Early Universe  Sky & TelescopeFull coverage