From 1947 Sightings to 2026: The Century-Long Tale of UFOs, Investigations, and Public Debate

To the point

Kenneth A. Arnold's 1947 sighting sparked decades of UFO investigations and public debate, but official reviews have found no conclusive evidence of extraterrestrial threats.

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UFOs, or the notion of them, have been around a long time. Here’s a look at how the various iterations of the subject — from government investigations to sightings to movies and TV — have unfolded since World War II: