Astronomers have measured the weight of a huge black hole — 36 billion times the mass of our sun, or six times the size of our entire solar system — in an old and dead galaxy near Earth. This cosmic ...

Black holes are dark, menacing objects with gravity so intense that not even light can escape, so you don’t want to mess with them. A recent discovery of one of the strangest supernovas ever observed ...

Using AI, astronomers discover a new type of supernova, SN 2023zkd, the strongest evidence yet of a dying star being ...