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 ...

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

A distant stellar explosion has offered astronomers a rare natural experiment, one that turns gravity into a powerful optical ...

Learn about what may be the first ever superkilonova ever observed, emitting gravitational waves that hint at the collision of two dead stars.

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

An international team of astronomers has, for the first time, successfully probed the early universe. An international group of astronomers has reached a new milestone in studying the early universe.

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. An image of the double detonation supernova SNR 0509-67.5 as seen by the VLT. | Credit: ESO/P.

Astronomers report a strange cosmic blast that looked like a kilonova, then behaved like a supernova, hinting at a possible first “superkilonova” and leaving scientists debating how stars truly die.

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.

"Our scenario describes all the evolutionary phases of the supernova with great precision." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An ...