It's the last clearly observed supernova in the Milky Way, Gassel said.
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.
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 ...
NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...
This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.
Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...
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 ...
A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...
The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...