Only one such event had been documented previously, a star recorded vanishing around 2010 in a galaxy 22 million light-years ...
It is easy to observe when stars explode in a supernova and become a black hole. It is different when they simply collapse.
Astronomers combing through years of images collected by the NEOWISE mission have found the clearest known evidence of a star converting directly to a black hole, without passing through the supernova ...
A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...
An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...