Unexplained Mysteries

Declassified UFOs Pt. 1: Project Sign

In 1947, a team of Air Force officials and scientific experts began studying unidentified flying objects spotted in American skies. Their investigations under Project Sign marked the beginning of a decades-long battle for objectivity and transparency in UFO research. 

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Life can take unexpected turns. Some are easily defined. Others… require further investigation. Every Tuesday, collect the pieces of a seemingly unsolvable puzzle — events in history which have eluded so many for so long, but deserve a deeper look. Unexplained Mysteries is a Spotify Original.