1. Alien creature from the 'Alien' film franchise

2. Emit a steady radiance

3. Loud, deep cry of an animal

4. Hazard or risk

4. Lacking light; mysterious

5. Intense feeling of fear, shock, or disgust

6. Unidentified Flying Object

7. Ionized gas with charged particles

8. Relating to the sun

9. Relating to the universe

10. Amplified light used for cutting or destruction

11. Sharp, curved nails on animal feet

12. Common depiction of alien beings

13. Science fiction genre

14. Small, overlapping plate on an alien's skin

15. Entering forcefully and aggressively

16. Small, six-legged creature

17. To take someone forcefully

18. Fourth planet from the Sun

19. Not from Earth; extraterrestrial

20. Enormous in size or strength

21. Investigate or search thoroughly

22. Path followed by an object around a celestial body

23. Extra-Terrestrial