How UFO Reports Change Over Time

Since ancient times, there have been reports of mysterious, unidentifiable objects flying through the skies. Interestingly, those reports have changed over time—thanks to evolving flight technologies. From “phantom” Zeppelins in the early 1900s to “ghost rockets” in the 1940s and “flying saucers,” the commonality with all these sightings “raised a question: why were the extraterrestrials visiting us now?” Read more at the Smithsonian.