A Black Hole Heavier Than Its Own Galaxy — JWST's Monster in the Early Universe
June 3, 2026At the center of two dwarf galaxies named Perias and Nereus, astronomers found black holes that account for up to 60% of the galaxy's stellar mass — a figure that should be 0.1 to 0.5%. JWST is rewriting what we thought we knew about the early universe.