Another titanic black hole is Tonantzintla 618 (Ton 618), located around a billion ... the mass of the sun," Natarajan told Space.com. "Supermassive black holes are defined to be in excess of ...

As detailed in a yet-to-be-peer-reviewed paper, an international team of researchers suggest that the existence of a monstrous, supermassive black hole could explain the Cosmic Horseshoe's unusual ...

Researchers traced the trajectories of super speedy stars all the way back to their sources—and they discovered strong evidence of a previously unknown supermassive black hole just outside our ...

The most widely accepted theory of galactic evolution holds that supermassive black holes are found only in the largest galaxies, such as the Milky Way. Until now, there was no reason to imagine ...