text: Aliens did it. They are the ones who created the face! "Scientists believe the Face was an alien artifact." First of all, no one knows for sure what have may of caused it. It could've been the atmosphere, or it could've been an "alien." Scientists thought it was probably a "Martian mesa", only this one almost looked like an "Egyptian Pharoh." You see, the shadow gave an "illusion of eyes, nose and mouth."