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.

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Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to how black holes form.

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.

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

Scientists have captured the moment a supergiant star collapses into a black hole, revealing the star's death in an incredible animation.

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

A watched pot never boils and love happens when you least expect it -- turns out, the same logic applies to capturing a star ...

The Andromeda Galaxy, shown here with two of its satellite or companion galaxies, is one of few objects in the night sky visible with the unaided eye that's outside our own Milky Way Galaxy. And I do ...