Clue: Org. probing for outer-space life

Answer: SETI

Length: 4

---

Similar Clues:

• Positive signs of life in outer space? (AOKS with 4 letters)
• Word form with sphere or space (AERO with 4 letters)
• Word form with space (AERO with 4 letters)
• Word form before gram or space (AERO with 4 letters)
• Space-age comb. form (AERO with 4 letters)
• Sitcom creature from outer space (ALF with 3 letters)
• Pond life form (ALGA with 4 letters)
• Visitor from outer space (e.g. ALIEN with 5 letters)
• Being from outer space (ALIEN with 5 letters)
• Outer space dwellers (ALIENS with 6 letters)