A massive star roughly 2.5 million light-years away in the Andromeda Galaxy has quietly disappeared, and the best explanation is that it collapsed directly into a black hole without producing a ...

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

Astronomers have witnessed a rare cosmic event: a massive star that didn’t explode in a spectacular supernova, but instead ...

There has been one other instance of a star mysteriously disappearing, a “failed supernova candidate” dubbed N6946-BH1 that ...

One of the brightest stars in the Andromeda galaxy quietly collapsed into a black hole without any of the fanfare of a spectacular supernova. What makes this startling discovery even more remarkable ...