Skepticism for UFO files | Escepticismo para los archivos OVNIS

UFO's, Aliens, First contacts, Abductions, all of this reviews are part of a quest that we humans have been questioning since the Mayan civilization. Are we alone in the Universe? The quest to find this answer of this intrepid question, is the work of SETI and Ufologist. Not instant, this work has not shown significant results for extraterretial life.