"The high explosion energy of AT 2023adsv could indicate that the properties of supernova explosions might have been different in the early universe."

A cosmic object spotted by the James Webb Space Telescope has flummoxed astronomers. Now, a research team has studied hundreds of these "little red dots" and found clues about their identity.

"We think every dense, dusty region that we see, and most of the ones we don't see, look like this on the inside — we just have never been able to look inside them before."

The James Webb Space Telescope identified one of the oldest supernovas, AT 2023adsv, revealing early universe phenomena