Mercury’s perplexing orbit led to the prediction of a new inner planet, Vulcan. Einstein’s general relativity removed the need for such a body, but today’s paper pursues a wild idea – does Vulcan exist as a primordial black hole?
Read more about the origins of the remarkable structure of NGC 5972.
Today’s bite questions whether active galactic nuclei could be having a more extreme impact on their environment than previously thought, and the consequences this would have for cosmology.
The black hole at the center of this galaxy might be masquerading as a population of stars – or maybe it actually acts like one.
What do you get when baby galaxies crash and light up in UV? A surprising early signature of cosmic dust.
The Hubble tension of the most perplexing puzzles in modern cosmology. In today’s paper, the authors explore whether a spinning Universe could resolve this tension.