The star used to be one of the brightest star in the neighboring Andromeda galaxy.

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

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

Astronomers are used to dramatic endings. When a massive star dies, it usually explodes ...

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

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

The team discovered the star by analyzing archival data from NASA’s NEOWISE mission. They used a prediction from the 1970s ...

Astronomers have strengthened long-standing predictions that massive runaway stars could have originated in binary pairs, and ...

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...