MYSTERIES of extraterrestrial life and UFOs could finally be unravelled with the help of Pentagon whistleblowers and space boffins - and alter our perception of the world as we know it. Strange objects and aliens have always been linked to conspiracy theorists - but they are now under the microscope of government officials as they are considered to pose a threat to national security. 8 Declassified video taken by US Navy pilots show interactions with 'unidentified aerial phenomena' Credit: AFP 8 Eerie declassified UFO footage shows mystery metal orb soaring above the ground Credit: US Department of Defense 8 Picture...