The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

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

This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.

A supermassive black hole residing within the Large Magellanic Cloud (LMC) - a satellite galaxy - is on a collision course ...

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

But Rubin’s early data is confounding. Among the newly discovered asteroids, researchers identified 76 with reliable spin ...

A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

I/ATLAS discovery shocks scientists as the interstellar visitor exposes major blind spots in Earth's planetary defence and ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...

It's the last clearly observed supernova in the Milky Way, Gassel said.