One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode.Author ...

Astronomers have been watching the supergiant WOH G64 for decades – and it might have turned into a hypergiant and be heading ...

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

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

The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so ​strong not ...

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

A massive star brightened in infrared light, then vanished without exploding. Astronomers uncovered the quiet birth of a black hole.

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

Their research was guided by a prediction from the 1970s: if a star collapses directly into a black hole, it should briefly glow in infrared light as it sheds its outer layers and becomes wrapped in ...