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

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

A flash of energetic light lasts only ten seconds, yet it has completely turned around our understanding of the timeline for ...

The James Webb Space Telescope has spotted a stellar explosion from a time when the cosmos was still in its infancy, catching ...

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

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

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.

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

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

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.

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.