While only a small percentage of reported UFO sightings are hoaxes, fewer than what percentage of all encounters remain unexplained after an official investigation?

Countless scientific studies have concluded that many UFO sightings are explained by conventional objects or natural phenomena, including aircraft, sky lanterns, satellites, and astronomical objects. In fact, less than 10% of all reported sightings remain unexplained following an official investigation.

Asked by Rachel Bortles · Last updated 4 years ago · 833 views · SOURCE