Astronomers have long debated the role of galaxy mergers in powering active supermassive black holes. Now an unprecedented dataset of a million galaxies from the Euclid telescope provides evidence ...

Stellar-mass black holes, formed from single star deaths, have masses of 2 to 100 solar masses and their post-explosion trajectories are random, not necessarily leading them to galactic centers.

Supermassive black holes (SMBH) are now believed to be present in the centers of most, if not all, large galaxies. During growth phases, SMBH are observed as active galactic nuclei (AGN); the SMBH ...

The easiest way to spot a supermassive black hole (SMBH) is when it expels a huge jet of matter in one of the most energetic displays in the Universe. While astronomers have spotted these huge black ...

At the center of nearly every large galaxy lies a supermassive black hole (SMBH), millions or billions of times more massive than the Sun. Not every SMBH needs to be associated with a galaxy, ...

The supermassive black hole named Sagittarius A* lies in the middle of the Milky Way. Observations of S2 and other stars also helped astronomers calculate the extraordinary size and mass of ...

Scientists think that at the heart of nearly every galaxy, including our own Milky Way, lies a supermassive black hole (SMBH) with immense gravity. These SMBHs are surrounded by dense clusters of ...

Cody Cottier is a freelance journalist for Discover Magazine, who frequently covers new scientific studies about animal behavior, human evolution, consciousness, astrophysics, and the environment.