A new discovery about what happens when a supernova – an exploding star – and a black hole collide could change the way scientists understand the lives and deaths of stars. The finding was the first ...

The James Webb Space Telescope has observed the oldest known supernova—the explosive death of a star that lived when the universe was only 730 million years old. The ancient blast occurred when the ...

The Zwicky Transient Facility, which scans the sky from the Palomar Observatory in Southern California, first detected the strange supernova in July 2023. - Palomar Observatory / Caltech Scientists ...

Astronomers’ best view yet of the aftermath of a “guest star” supernova seen in 12th-century China and Japan has revealed one of the strangest objects in the heavens. It consists of hundreds of ...

After a star explodes in a supernova, the remnants can reform into more stars again and again. These subsequent generations could be full of elements heavier than helium that astronomers refer to as ...