Astronomers witness the birth of a very distant cluster of galaxies from the early Universe

Gaia discovers a new family of black holes: astronomers studied the orbits of stars and noticed that some of them wobbled on the sky, as if they were gravitationally influenced by massive objects. No light could be found using telescopes, leaving only one possibility: black holes.

JWST has spotted the earliest black hole ever seen in the universe

Webb Space Telescope Shocks Astronomers With Surprising Exoplanet Atmospheric Composition