Extraterrestrials have been identified through strange shadows in the sky, flying saucers, or even unusual marks left on fields. Countless of UFO sightings have been reported by different individuals around the world over the years. Unidentified flying objects or UFOs have been involved in many conspiracies and controversies. Nobody can actually prove how true they are since nearly all traces disappear throughout the course of history. While many would find UFO and alien stories true, many others are still in doubt. So, how will you know if you see something extraordinary? Here are some incidences that will serve as your reference.
Some have attributed these incidences to government conspiracy, but nobody knows what these occurrences tell, and one can only guess.