UFOs are coming out of the shadows.
Discussion of unidentified flying objects — or, as they have recently been rebranded, unidentified aerial phenomena (UAP) — was long relegated to society's fringes. The topic was toxic, and many people avoided serious engagement with it out of fear of being branded a crackpot.
But that has begun to change in the past few years. Prominent scientists now openly push for serious study of UFOs, and the U.S. Navy recently drew up new guidelines that encourage pilots to report curious or confusing sky sights.
Read on for a brief history of UFO sightings, potential explanations for them and cultural attitudes toward the phenomenon.
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