active galactic nuclei
Black Holes Dominate Large Regions of Space, But They’re Mysterious
In the beginning, the Universe was all primordial gas. Somehow, some of it was swept up into supermassive black holes…
The JWST is Re-Writing Astronomy Textbooks
When the James Webb Space Telescope was launched at the end of 2021, we expected stunning images and illuminating scientific…
There’s Another, More Boring Explanation for those Dyson Sphere Candidate Stars
Dyson Spheres have been a tantalising digression in the hunt for alien intelligence. Just recently seven stars have been identified…
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…
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…
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…
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,…
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…
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…
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.