Astronomers have discovered the most distant known blazar, VLASS J041009.05-013919.88, at a remarkable redshift of 7, dating back to less than 800 million years after the Big Bang. The black hole at its center, weighing 700 million solar masses, challenges existing theories about black hole growth during the Universe’s early eras. This groundbreaking find hints at the existence of many unseen active galactic nuclei, reshaping our understanding of cosmic evolution. Source and details of the news