Extraterrestrial life - Wikipedia Extraterrestrial life, or alien life (colloquially aliens), is life that originates from another world rather than on Earth No extraterrestrial life has yet been scientifically or conclusively detected
Extraterrestrial life | Definition, SETI, Facts | Britannica extraterrestrial life, life that may exist or may have existed in the universe outside of Earth The search for extraterrestrial life encompasses many fundamental scientific questions What are the basic requirements for life? Could life have arisen elsewhere in the solar system? Are there other planets like Earth?
What Is an Extraterrestrial? A Scientific Explanation The term “extraterrestrial” refers to any life originating and existing outside of Earth Its etymology combines Latin “extra” (outside) and “terra” (Earth) This broad definition encompasses possibilities from simple microbes to complex, intelligent beings