With its moody refrain, hypnotic melody and gorgeous arpeggios, Soundgarden’s “Black Hole Sun” seemed to chime with the spirit of the times. It was also the song that brought Soundgarden a ...

A black hole 700 million light-years from Earth has a mass 40 billion times that of our Sun. The ultramassive black hole is located at the heart of Galaxy Holm 15A. Even though this black hole is ...