What is an alien?
Career: Alien
Aliens, also known as extraterrestrial beings, are hypothetical life forms that originate from planets or locations outside of Earth. While there is currently no definitive scientific evidence of their existence, the possibility of alien life is a topic of great interest in astronomy and science fiction. Scientists search for signs of life beyond Earth through projects like SETI and by studying planets that may have conditions suitable for life. The concept of aliens has also played a significant role in popular culture and media.