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

A team of astronomers believe they've witnessed, for the first time, a star exploding in a mythical "superkilonova." ...

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 ...

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.

Astronomers have studied 3,600 supernovas to discover diversity in exploding white dwarf stars, a vital tool in the ...