Using another galaxy as a telescope created a trippy quadrupling effect in a rare image of an exploding black hole from the early universe.
Molecular oxygen is a key component of the air humans breathe, and now astronomers have spotted it a half-billion light years away. But don't hold your breath for quasar whippets.
The shadowy entities are about 10,000 to 100,000 times smaller than the dark matter halo of the Milky Way.
'Cold quasars' offer an unprecedented look at the transition between active star-forming galaxies and dead galactic bodies.
“The real estate left over for the skeptics of quantum mechanics has shrunk considerably."
The European Gaia telescope releases data on 1.7 billion stars.
Why it’s so astronomically unlikely to find a cluster of four quasars.
Quasars just get stranger.
Quasars are quazy.
Astronomers are only now getting a handle on one of the driving forces behind galactic growth.
And hot damn, is that thing ever spinning up a storm.
Astronomers have found an oddly tiny "fast and furious" black hole inside one of the most dramatic celestial objects in the night sky.