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

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

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Astronomers have spotted AT2025ulz, a rare dual explosion — a supernova and a kilonova — that may be the first-ever observed ...

The James Webb Space Telescope has spotted a stellar explosion from a time when the cosmos was still in its infancy, catching the light of a supernova that detonated less than a billion years after ...

Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what appears to be a new type of supernova, as stellar explosions are known, that ...

EVANSTON, Ill. — Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A ...

Black holes are dark, menacing objects with gravity so intense that not even light can escape, so you don’t want to mess with them. A recent discovery of one of the strangest supernovas ever observed ...

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

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.

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