Supermassive Black Holes Spaghettification Primordial Black Holes Event Horizon Relativistic Jets Kugelblitze Intermediate-Mass Black Holes Matter-Antimatter Annihilation Massive Stars Exotic Wormholes Microscopic Black Holes Frozen Stars Discoveries Gravitational Collapse Galactic Cores Blazars Formation Research General Relativity Singularity Dormant Black Holes Tidal Disruption Events Shock Waves Black Hole Formation Gravitational Waves Quasars Growth Rate Black Hole Origins Analogue Black Holes Rotating Black Holes Spacetime Curvature Lense-Thirring Effect Accretion Disks Wormholes Portal Creation Plunging Region Simulation Emissions Detection Creation of Black Holes Nature of Black Holes