Across
- 4. Relating to the universe
- 5. Not from Earth
- 8. Vehicle for interstellar travel
- 12. Investigation and discovery
- 13. Genre that often features aliens
- 14. Craft for space travel
- 15. Communication from another world
- 18. Capture by aliens
- 21. Vast system of stars, planets, and matter
- 24. Aggressive arrival of aliens
- 26. Between galaxies
- 27. 2 words. Region beyond Earth's atmosphere
- 33. Faster-than-light travel
- 35. Advanced equipment from another world
- 37. System 2 words. Sun and its surrounding planets
- 38. 2 words. Direct interaction with aliens
Down
- 1. Fear or dislike of strangers or aliens
- 2. Instantaneous transportation
- 3. Human settlement on the Moon
- 6. Communication through thoughts
- 7. Famous UFO incident location
- 9. Medical examination by aliens
- 10. Famous friendly movie alien
- 11. Between planets
- 14. Advanced space vessel
- 16. Communication with beings from another world
- 17. Hypothetical inhabitants of Mars
- 19. Unidentified Flying Object
- 20. Offspring of a human and an extraterrestrial
- 22. Planet outside our solar system
- 23. Between the stars
- 25. Relating to the Moon
- 28. Study of life beyond Earth
- 29. Person taken by aliens
- 30. Common depiction of alien skin color
- 31. 2 words. Mysterious patterns in fields
- 32. Human arrival on the Moon
- 34. Study of extraterrestrial phenomena
- 36. Being from another planet