What or who is alien?
What are aliens? "aliens" refer to extraterrestrial life forms that potentially exist on planets or celestial bodies other than Earth. However, as of my last knowledge update in September 2021, there is no definitive scientific evidence confirming the existence of extraterrestrial life. The search for extraterrestrial life is an active area of scientific research. Scientists use tools like radio telescopes and space probes to search for signs of life on other planets and moons. The study of extremophiles—organisms that thrive in extreme environments on Earth—has also led scientists to consider the possibility of life existing in extreme conditions on other planets. Various claims of UFO sightings and encounters have been reported over the years, but these claims often lack credible scientific evidence. The topic of aliens has also been widely explored in popular culture, including books, movies, and television shows. If you're looking for specific information or have qu...