text: There may be evidence as to why people believe in something as comical as aliens; mass UFO sightings, various reports of alien abduction, passages in religious books and scrolls that show odd evidence of a species not born on Earth, or even on manmade structures such as the ancient pyramids or Egypt. However, we still haven't found credible evidence that aliens are real. The Face is not some sort of bona fide of evidence on life on Mars that NASA would hide. The Face is merely just a natural landform.