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

One of the biggest questions in the scientific world right now revolves around something we can't see, and can't directly detect in any other way either. Based on the movements of galaxies, ...

Some massive stars may go out with a fizzle, not a bang. A star that winked out of view could be a “failed supernova,” a stellar explosion that petered out instead of fully detonating, a new study ...