From Balloons to Interstellar Visitors: A Century of UFO Imagination
To the point
Humans have long imagined space visitors, and that fascination has grown from early flight dreams and science fiction into real sightings, official inquiries, and ongoing curiosity about life beyond Earth, from Montgolfier balloons and H. G. Wells to Roswell, Project Blue Book, Mars research, and interstellar visitors like 3I/ATLAS.