Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around ...

Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise ...

Using data from NASA's James Webb Space Telescope, astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) ...

The supermassive black hole at the center of the Milky Way apparently flared up dramatically relatively recently. An echo of ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas that’s spawning newborn stars in its wake. Astronomers have long theorized about ...

The black hole is located in galaxy QSO1, seemingly without any stars around it, which defies the long-held idea that black ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...