Artist’s impression of the bright, very early active galactic nucleus that was found by Bañados and his colleagues, which has fundamental implications for black hole growth in the earliest billion or so years of cosmic history. Credit: NSF/AUI/NSF NRAO/B. Saxton ======================================================================================= Astronomers have spotted a young, blazing black hole that was already growing at a furious pace just one billion years after the Big Bang. This rare discovery provides a key to understanding how supermassive black holes formed in the universe’s earliest days. Astronomers have identified a crucial clue in understanding how supermassive black holes grew so quickly in the...