How many UFO sightings have there been?
How many verified UFO sightings have there been? Who monitors them?
Are there UFOs? How many astronauts have seen an UFO? Is there a list of them? What are some of the UFO sightings in colonial North America? Are there UFOs at Area 51? Do UFO and aliens exist? Has anybody on Quora seen them? Do you have any proof? Where can I find the best evidence of ufos? Do UFOs exist? Is there any recorded video on them to prove that they exist? Has anyone seen a genuine UFO? What was it like? Extraterrestrial Life: What is the most undeniable evidence of UFO ever seen? Have you seen an UFO? Where? Have you ever seen UFO? Who has seen aliens or UFOs? Has anyone personally involved or experienced or have seen ufos or Etraterrestrials? Have you seen a ufo? Is there any proof that shows that UFOs exist? Is there a Quora user who have seen a UFO? Have you ever seen a UFO? Has anyone living in india seen a UFO? Does Area 51 have a UFO? Are there such things as UFOs? If not an alien craft, what could the UFO seen recently over Dayton, Ohio USA be? Has anyone seen a UFO in Kalamazoo, Michigan? What UFO event is most compelling in terms of corroborated evidence that the UFO was of extraterrestrial origin? What is the most credible evidence of alien life forms or UFOs ever photographed or filmed? Have astronauts ever seen aliens or UFOs in outer space? Does alien and 'UFO' really exist? Is there any scientific proof? What is the best logical proof that ufo exist? What is a UFO? How do ufos work? Has anyone living in Kongka La Ladakh and using Quora seen a UFO?