The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

One such occasion occurred earlier in 2025, when NASA scientists reported sightings of a supernova that exploded when the ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

The telescope captured near-infrared light from one of the earliest stars seen to explode in the history of the universe.

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

The surprisingly high amounts of chlorine and potassium in a supernova remnant could help solve the mystery of where these crucial elements come from ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...