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

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

The ESO's Very Large Telescope points at the exact position of the supernova remnant SNR 0509-67.5, or "the expanding shells of a star that detonated twice," located in the Large Magellanic Cloud, a ...

A pair of rare, compact white dwarf stars that are set to collide in about 23 billion years have been spotted by researchers at the University of Warwick. After converging, the binary star system will ...

Astronomers have spotted a star around 160,000 light years away that appears to have exploded twice in the first ever evidence of a "double supernova". A supernova is a powerful stellar explosion that ...

A mysterious remnant from a rare type of supernova recorded in 1181 has been explained for the first time. Two white dwarf stars collided, creating a temporary 'guest star,' now labeled supernova (SN) ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Astronomers have obtained the first visual evidence of a white dwarf that exploded not once but twice. Credit: ESO Justin Baldoni Confirms He Told Pregnant Blake Lively He Is Circumcised with Ryan ...

This image, taken with ESO’s Very Large Telescope (VLT), shows the supernova remnant SNR 0509-67.5. These are the expanding remains of a star that exploded hundreds of years ago in a double-detonation ...