Peering up at the sky and seeing something unusual may not be just the stuff of science fiction films. Enough reports of global UFO sightings have been made over the years to suggest that we are not alone.
In the US, a former Defense official claims that secrecy around extraterrestrial evidence has fueled a culture of intimidation in the Pentagon.
Click through to learn more about recent developments in official UFO/UAP investigations, and see a list of some of the most famous UFO sightings in the world. Take a look and make your own mind up about whether or not anybody, or anything, is out there!