A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...

The James Webb Space Telescope has caught what appears to be the earliest supernova humanity has ever seen, a stellar death flash from a time when the universe itself was still in its cosmic childhood ...

A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

(CNN) - NASA released a new image of the youngest supernova remnant in our galaxy, called Cassiopeia A, or Cas A. It was taken by the James Webb Space Telescope. This is the closest and most detailed ...

In the year 1181, an extraordinarily bright supernova lit up the night sky like a firework for an incredible 185 consecutive days. Astronomers have since located its remnants within the constellation ...

A massive supernova explosion that destroyed a faraway star apparently turned the left over stellar corpse inside out as well, scientists say. Using NASA's Chandra X-ray Observatory spacecraft, a team ...