Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...

NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...

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.

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

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...

In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...

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

SN Ares might be the most exciting one. The star exploded when the universe was about one-third of its current age.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...