Mankind is entering a new era of space travel. Astronauts are set to return to the moon before the decade is out. And scientists and visionaries say: humans will soon set foot on a foreign planet for the first time: Mars. July 30th, 2020. An Atlas V launch vehicle lifts off from the Kennedy ...

Giorgio meets with an ex-cop who investigates people who have been abducted by aliens in this collection of scenes from "The Returned." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch ...