An unexpected deep-sea deposit may be the smoking gun from a nearby star that exploded as a supernova in the relatively ...

The result is a rare before-and-after look at a dying star. The supernova, called SN 2025pht, came from a red supergiant, one of the largest types of stars in the universe. It was roughly 40 million ...

Beryllium-10 spike in Pacific sediments hints at nearby supernova 10 million years ago, revealing cosmic impacts on Earth’s ...