An artist's concept of a star's remnants forming a disk around a black hole. Illustration: NASA, ESA, STScI, Ralf Crawford (STScI) Astronomers have spotted an apparent supermassive black hole ...

The star-snacking black hole gave itself away when several ground-based sky survey telescopes observed a flare as bright as a supernova. Listen to Story Astronomers used a suite of observatories to ...