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

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

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

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

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

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

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

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

“Supernova explosions and the elements they hurl into space are the lifeblood of new stars and planets,” said Brian Williams ...

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.

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...