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 ...

A gargantuan supermassive black hole in the center of a distant galaxy has been spotted coming back to life. An unsuspecting galaxy named SDSS1335+0728, located 300 million light-years away from ...

Scientists have uncovered two gargantuan black holes, a discovery that astrophysicist Lorena Hernandez-Garcia from the Millennium Institute of Astrophysics calls a "very weird event". This ...

Twisting jet observed at supermassive black hole Dancing gargantuan black holes perform on cue One of the fascinating aspects of this story is that it's possible see HR 6819 with just the naked ...

Jets like these are known to erupt from elliptical galaxies that have been sculpted through chaotic mergers with other ...

Its colossal mass and unusual behavior are puzzling astronomers. Discovered 800 million years after the Big Bang, this black hole weighs 400 million times the mass of the Sun. Despite its gargantuan ...

The speculation was that this might be the wall of a cavity that had been sculpted in its plasma by emissions from a gargantuan black hole in one of the core galaxies. Black holes are famous for ...