Answer:

ufo

AnswerCrossword Clue
UFO"The X-Files" topic
UFOCraft in the tabloids
UFOET's craft
UFOStrange thing in the sky
UFO"X-Files" topic
UFOET craft
UFOET's transport
UFORoswell sighting
UFOSky sight
UFOMysterious blip
UFOMystery blip
UFOE.T.'s ride
UFOET's vehicle
UFOClose Encounters vehicle
UFOSaucer aloft?
UFORoswell, NM, souvenir?
UFOVenusian vessel?
UFOET's ride
UFOTabloid craft
UFOPossible saucer
UFOArea 51 vehicle
UFOE.T. craft
UFOSci-fi author's craft?
UFOSci-fi craft
UFOArea 51 craft, supposedly
UFOSeldom-seen craft
UFOAlien spacecraft
UFOVehicle found at Roswell, supposedly
UFO"Foo fighter"
UFOMysterious sight
UFOSubj. of some theories about Area 51
UFOSci-fi vehicle
UFOTabloid transport
UFOUnusual sighting, for short
UFODisc in a tabloid photo
UFOEerie sighting
UFORoswell phenomenon
UFO"Cocoon" transport
UFOArea 51 craft
UFOSci-fi staple