Petroglyphs from Val Camonica, Italy. Ancient astronaut proponents believe that these pictures resemble modern astronauts.

Ancient astronauts

Ancient astronauts (or ancient aliens) refer to a pseudoscientific set of beliefs[1][2][3][4] that hold that intelligent extraterrestrial beings visited Earth and made contact with humans in antiquity and prehistoric times.[1][2][4] Proponents suggest that this contact influenced the development of modern cultures, technologies, religions, and human […]