The James Webb Space Telescope just found the oldest supernova ever seen The supernova exploded over 13 billion years ago in a galaxy far, far away. Astrobitica December 9, 2025 (Last updated: December 9, 2025) 1 minute read The supernova exploded over 13 billion years ago in a galaxy far, far away. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: This 7-hour cosmic explosion is the longest gamma-ray burst ever seen. Could it be from an elusive class of black hole?Next: The Nancy Grace Roman Telescope Is Complete!