active galactic nuclei

Black Holes Can Halt Star Formation in Massive Galaxies

It’s difficult to actually visualise a universe that is changing. Things tend to happen at snails pace albeit with the…

16 hours ago

Even Early Galaxies Grew Hand-in-Hand With Their Supermassive Black Holes

Almost every galaxy in the local Universe seems to contain a supermassive black hole. There's a direct relationship between the…

3 months ago

Sometimes Compact Galaxies Hide Their Black Holes

Quasars, short for quasi-stellar objects, are one of the most powerful and luminous classes of objects in our Universe. A…

6 months ago

The Early Universe Should Be Awash in Active Galaxies, but JWST Isn't Finding Them

Astronomers have found supermassive black holes in the centers of most galaxies. To get the black holes we see today,…

8 months ago

eROSITA Sees Changes in the Most Powerful Quasar

An international team of astronomers observed the quasar J1114 in the X-ray band for the first time, revealing things about…

11 months ago

Advanced Life Should Have Already Peaked Billions of Years Ago

Did humanity miss the party? Are SETI, the Drake Equation, and the Fermi Paradox all just artifacts of our ignorance…

12 months ago

Dust is Hiding how Powerful Quasars Really are

A new study has found that Active Galactic Nuclei are much brighter and similar to one another than previously thought.

1 year ago

Webb’s New Image Reveals a Galaxy Awash in Star Formation

When a spiral galaxy presents itself just right, observations reveal more detail. That's the case with NGC 7469, a spiral…

1 year ago

IceCube Senses Neutrinos Streaming From an Active Galaxy 47 Million Light-Years Away

Researchers using the IceCube Neutrino Observatory have detected neutrinos emanating from the energetic core of an active galaxy millions of…

1 year ago

Webb Sees Organic Molecules in the Hearts of Galaxies, Surprisingly Close to Active Supermassive Black Holes

When the James Webb Space Telescope (JWST) launched, one of its jobs was studying galactic formation and evolution. When we…

2 years ago