Close encounters

World UFO day: 7 best documented UFO sightings

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Since 2001, July 2 has marked World UFO Day — a day to consider the possibility that we’re not alone in the universe, and our interstellar neighbors may have stopped by for a visit.

(There’s a big emphasis on “may have.”)

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This year, there’s good reason to celebrate. On June 25, the Pentagon released a landmark report on UFOs (also known as UAPs, or unidentified aerial phenomena, in Pentagon parlance).