Scientists Explain Why Universe Contains 'Impossible' Black Holes

For generations, the universe seemed to harbor a quiet contradiction: black holes too massive to have formed within the age of the cosmos itself, yet undeniably present across the sky. New research has now dissolved that paradox, revealing that these objects grow not only by consuming surrounding matter, but through cascading collisions with one another — a process called hierarchical merging that builds enormous mass with surprising speed. The discovery does not merely close a gap in the equations; it invites us to reimagine the entire history of galaxies as a story written in gravitational v