A missing Air Force general who vanished from Albuquerque, New Mexico, in February has been seen in a final photo leaving a hardware store on the day of his disappearance.

One pilot's offhand description in 1947 started a national obsession that never quit.

It’s impossible to separate UFO legends and lore from the Cold War, which led to a culture of secrecy in the military and public paranoia that the truth was being concealed. According to the ...