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

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

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

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

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova.

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 mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

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

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

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of ...