Black holes are among the most fascinating cosmic phenomena. Formed from collapsed massive stars, their gravitational pull is so strong that not even light can escape. Scientists believe black holes hold secrets to space-time, singularities, and even wormholes. The event horizon marks the boundary beyond which nothing returns. Supermassive black holes reside at the center of galaxies, including our Milky Way. Researchers use X-ray observations and gravitational waves to study them. Some theor...