Close Advertising Video Footage Of An Alien Autopsy Sheds Light Over UFO Mystery | World's Strangest UFO Stories In 1947 an unidentified object appeared in the sky of Roswell, New Mexico, and crashed, leaving a lot of interesting evidence of … Roswell alien autopsy alien encounters alien sightings discovery channel discovery uk DMAX Quest TV roswell new mexico roswell ufo crash ufo ufo experts ufo sightings World's Strangest UFO Stories worlds strangest ufo stories roswell worlds strangest ufo stories season 1 episode 1 45355 views 0 / 0