Answer: PROBE
PROBE is a crossword puzzle answer that we have spotted 60 times.
Referring Clues:
- Explore
 - Deep-space mission
 - Grand jury's activity
 - Investigation
 - Space explorer
 - Exploratory spacecraft
 - Voyager or Pathfinder
 - Ask questions
 - NASA project
 - Deep-space vehicle
 - Pioneer 1, for one
 - Investigate
 - Senate investigation
 - Official investigation
 - Data-collecting craft
 - Dig into
 - Penetrating investigation
 - Delve into
 - Question closely
 - Dig deep
 - Explore deeply
 - Thorough investigation
 - Voyager or Pathfinder, e.g.
 - Investigate
 - Legislative investigation
 - Inquiry
 - Voyager 2, for one
 - Serious investigation
 - Poke into
 - Look into
 - Examine
 - Investigation with much digging
 - Government investigation
 - Examine thoroughly
 - Exploratory craft
 - Major investigation
 - Certain NASA launch
 - Seriously look into
 - See circled letters
 - Surgical instrument
 - Space explorer (Ford)
 - Nonhuman explorer
 - Exploratory vessel
 - Space exploration vehicle
 - Investigate thoroughly
 - Investigate in depth
 - FBI investigation, e.g.
 - Dig for answers
 - Extended investigation
 - Voyager 1, e.g.
 - Dig deeply for answers
 - Mueller's Russiagate investigation, e.g.
 - Do some digging
 - Congressional investigation
 - Really dig
 - Look into closely
 - Inspect
 - Voyager 1, for one
 - Get personal, say
 - Europa Clipper, for one
 
Last Seen In:
- LA Times - February 01, 2025
 - New York Times - December 01, 2024
 - USA Today - November 21, 2023
 - New York Times - July 14, 2023
 - LA Times - April 19, 2023
 - USA Today - August 02, 2022
 - New York Times - March 17, 2022
 - USA Today - September 23, 2021
 - LA Times - January 28, 2021
 - LA Times - December 27, 2020
 - Netword - December 22, 2020
 - New York Times - November 28, 2020
 - Universal - August 19, 2020
 - USA Today - August 07, 2020
 - Universal - June 02, 2020
 - Universal - February 16, 2020
 - Netword - November 05, 2019
 - USA Today - August 30, 2019
 - New York Times - August 11, 2019
 - Universal - July 10, 2019
 
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