That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...
Astronomers discover a star in Andromeda that may have collapsed into a black hole instead of exploding as a supernova.
DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.
Indian astronomer Kishalay De led study revealed one of the clearest cases of a massive star collapsing directly into a black hole without a supernova, based on NASA NEOWISE data.
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, ...
Astronomers are used to dramatic endings. When a massive star dies, it usually explodes ...
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 ...