existence of such gargantuan black holes when the universe was less than a billion years old, as revealed by the James Webb Space Telescope, has long puzzled cosmologists. Researchers Sohan Ghodla and Cosmin Ilie explored whether these early giants...

JWST observations of a mysterious red dot reveal that dense gas around a hidden engine, not ancient stars, creates the strongest Balmer break ever seen. Astronomers hunting the early Universe with JWST have repeatedly turned up compact, very red...