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

An international team of astronomers, working with researchers from University College Dublin and other institutions, has ...

For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...

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

Scientists have revealed for the first time a jaw-dropping early view of an exploding supernova. Observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed ...

Astronomers have intensely studied a zombie star lurking in the heart of supernova wreckage. Such a cosmic explosion should have destroyed this undead white dwarf star, but instead, it marked its ...

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

For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...