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  1. Il y a 2 jours · Unidentified flying object (UFO), any aerial object or optical phenomenon not readily identifiable to the observer. UFOs became a major subject of interest following the development of rocketry after World War II and were thought by some researchers to be intelligent extraterrestrial life visiting Earth.

  2. Il y a 3 jours · From Roswell to the USS Nimitz, sightings and evidence abound. How do we investigate UFO reports—and are they real in the first place?

  3. Il y a 5 jours · UFOs are a national security concern. In 2022, Congress held its first hearing on UFOs in half a century as the Pentagon investigated hundreds of unexplained sightings in the sky. The spotted...

  4. Il y a 6 jours · Learn more about alleged alien sightings in history. UFO reports have varied widely in reliability, as judged by the number of witnesses, whether the witnesses were independent of each other, the observing conditions (e.g., fog, haze, type of illumination), and the direction of sighting.

  5. Il y a 1 jour · And it's in the Infested Laboratory room that you'll have to secure the premises' emergency exits and put an end to the invasion, as numerous belligerent creatures seem to have infested the ...

  6. Il y a 1 jour · Despite the lack of evidence, many UFO proponents claim that the Roswell debris was derived from an alien craft, and accuse the US government of a cover-up. The conspiracy narrative has become a trope in science fiction literature, film, and television.

  7. Il y a 6 jours · Unveiling the mysteries behind UFOs. Mexican journalist José Jaime Maussan's controversial mummy presentation and Nasa's Nelson's call for evidence ignited the UFO debate, contrasting with ...