Extraterrestrial intelligence refers to the possibility of intelligent life existing beyond Earth. This concept suggests that there may be other civilizations in the universe that possess advanced technology, culture, and communication skills, similar to humans. Scientists and researchers often explore this idea through various means, including the study of distant planets and the search for signals from space. The search for extraterrestrial intelligence, often abbreviated as SETI, involves using powerful telescopes to listen for radio waves or other signs of life from other planets. Many people are fascinated by the idea of meeting beings from other worlds, which has inspired countless books, movies, and scientific inquiries throughout history.