Related Clues:

• Life on other planets? One's right to start off sceptical
• Long-distance travellers resort to fix that's incomplete
• Abductors, in tabloids
• When taking on security for film ...
• Stereotypically green creatures
• Creatures at Area 51, some believe
• Sigourney Weaver horror sequel
• "Little green men"
• "The X-Files" subjects
• "Resident" or "non-resident" visitors
• "Arrival" visitors
• American lines out with foreigners
• Men from 6-Across
• Creatures like E.T
• Some sci-fi characters