Thanks to the X-Ray Imaging and Spectroscopy Mission, or XRISM, University of Michigan researchers are helping chip away at ...
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Earliest and most distant flickering quasar may teach us about supermassive black hole growth
A quasar that is the first in the early universe to be found by its flicker, more luminous than 2 trillion suns, could reveal ...
After 25 years of debate, scientists have proposed a mathematical model for an alternative to black holes called a gravastar.
Active galactic nuclei (AGNs) occur when supermassive black holes are surrounded by vast amounts of gas and dust that swirl ...
A black hole is supposed to be the last word in stellar collapse: matter falls inward, spacetime caves in, and a singularity ...
Astronomers have detected one of the most powerful ultra-fast outflows ever seen from a distant supermassive black hole.
Dark matter doesn't interact with anything but gravity. So what happens to it in the vicinity of black holes, where gravity ...
What if some black holes aren’t black holes at all? A new theoretical study suggests that when a massive star collapses, it ...
A dark energy bubble halts a collapsing star from within, explaining how gravastars form with no singularity and no event horizon.
Galaxies and their supermassive black holes evolve together, but which came first is an ongoing question. Now we may finally ...
There are black holes that are too big to be born from the death of a star but aren’t quite supermassive either. There’s finally evidence for where those came from.
The latest from the James Webb Space Telescope could completely change what we know about the formation of these astronomical bodies.
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