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.

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

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 ...

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 ...

A scintillating spiral galaxy that played host to two supernova explosions in the past 30 years takes center stage in a new image captured by a telescope in Chile's high desert. The galaxy NGC 1187 is ...

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

NASA has released its longest-ever time-lapse from the Chandra X-ray Observatory, capturing the expanding remains of Keplers ...

NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

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