UFOs do exist and we should talk about it, says top expert Last week, former US president Barack Obama had revealed that it is impossible to predict the trajectories of UFOs Was Pentagon researching on alien and UFO-related incidents? People in the United States are now eagerly waiting to know the details furnished in Pentagon's UFO report that will be submitted before the US Congress in June. Alien enthusiasts strongly believe that the upcoming report of the Pentagon will shed light on UFO sightings that happened all across the globe, and they even expect an alien disclosure from the United States government. And now, a top expert has revealed that UFOs do exist, and people should start talking about these unknown flying vessels.