Last seen in:
Related Clues:
- Vulcans and Romulans
- 'Men in Black' figures
- Tabloid abductors
- Hangar 18 contents, supposedly
- "The X-Files" extras
- Sightings, briefly
- Visitors from afar?
- Inst. that writes the GRE and the TOEFL
- UFO pilots, in theory
- They're worlds apart?
- Beings from out of this world, in brief
- Little green men, briefly
- Visitors from Mars
- UFO crew, presumably
- 23 Across students