A massive star in the Andromeda Galaxy, one of the most luminous objects in its neighborhood, has quietly disappeared. Over ...
Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...
This popped up on my feeds. Over the last three years, a star went from fairly bright red to nothing. The analysis of the data suggests it was a direct collapse (no supernova) of a 13 solar mass star.