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 ...

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

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

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

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

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.

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

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

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

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.

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...