Related Clues:
- Deep-space missions
- Galileo or Genesis
- Space explorer (Ford)
- Nonhuman explorer
- Investigates The Last Word over cover-up
- Examine end of zip on dress
- Space exploration vehicle
- Thorough studies
- FBI investigation, e.g
- Thorough investigations
- Major investigations
- Some NASA launches
- Dig for answers
- Takes a close look at
- Extended investigation