A doctoral candidate from the University of Washington may have heard a cosmic explosion that explains how the Moon came into ...

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 ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...