In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

If confirmed, this disappearing act might provide the closest and best observational evidence for the birth of a black hole ...

A stellar black hole is one that’s created from the gravitational collapse of particularly massive stars, typically greater than eight solar masses. For context, one solar mass is about equivalent to ...

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 ...

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 ...

Astronomers discover a star in Andromeda that may have collapsed into a black hole instead of exploding as a supernova.

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

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

The event was first recorded in 2014, when a Nasa space telescope noticed a massive star in the Andromeda galaxy slowly ...