JWST Detects Oldest Supernova Ever Seen, Linked to GRB 250314A
Dec 12, 2025 - 19:00
Astronomers using the James Webb Space Telescope have detected the oldest supernova ever recorded, tied to gamma-ray burst GRB 250314A. Occurring when the universe was only 730 million years old, the explosion provides a rare glimpse into the first generations of stars and early galaxy growth, highlighting Webb’s unmatched ability to study the distant cosmos.