The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

In a series of observations that read like science fiction, astronomers now suspect they have watched a star quite literally ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

A surprising new theory claims Earth’s building blocks were supernova ice, not stardust. This could change everything.

Webb’s sensitive infrared observations helped in detecting and distinguishing the fading light of the explosion from its ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova. Reading time 3 minutes When massive stars die, they go out in fiery explosions called ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.