Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

What makes red geysers stand out is that they show faint, galaxy-scale outflows of ionized gas, stretching tens of thousands ...

For decades, astronomers have known that supermassive black holes lurk at the hearts of essentially all large galaxies, ...

Astronomers have long puzzled over how some massive galaxies stop forming stars and remain dormant for billions of years—even ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

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

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

Instead of just pointing in one direction, like most black hole jets, this one is sweeping in a curvy S-shaped pathway.

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 ...

Black holes are not cosmic vacuum cleaners. They are among the universe’s most extreme objects - and come in different sizes.

Black holes may appear to be shaped like a doughnut, but the truth is more complicated than that, explain our readers ...