Map 's based on UFO sighting dataset from the National UFO Reporting Centre and open source mapping software . It shows 76 years of UFO sightings all over the world , with more being spotted in the 1950s and . Surge in US sightings in recent years 1960s may be explained by the testing of the U2 spy plane , CIA said . The internet and rise in drone use could explain why there are more UFO sightings than ever , experts claim .
Map 's based on UFO sighting dataset from the National UFO Reporting Centre and open source mapping software . It shows 76 years of UFO sightings all over the world , with more being spotted in recent years . Surge in US sightings in the 1950s and 1960s may be explained by the testing of the U2 spy plane , CIA said . The internet and rise in drone use could explain why there are more UFO sightings than ever , experts claim .