A Star 250 Times the Size of Our Sun Just Exploded 13 Billion Years Ago, and JWST Might Have Caught It
Published in Science on May 21, 2026. This is the kind of headline that makes astronomers lose sleep. Somewhere in the darkest, earliest corners of the universe, a monster star just blew itself apart. Not a regular supernova. Not even a particularly bright one. This was something else entirely: a