People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It ...

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

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

A team of astronomers believe they’ve witnessed a star split in half before merging back together again, triggering an ...

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

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

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

A star exploded at the dawn of time, and the James Webb Space Telescope just caught the moment the light finally reached us.

The James Webb Space Telescope has spotted a stellar explosion from a time when the cosmos was still in its infancy, catching the light of a supernova that detonated less than a billion years after ...

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

A surprising new theory claims Earth’s building blocks were supernova ice, not stardust. This could change everything.

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