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NASA's Mars Orbiter Finds No Liquid Water Evidence

12/3/2025

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Story summary
  • The Mars Reconnaissance Orbiter (MRO) finds no signals of liquid water in the hypothesized underground lake near Mars' south pole.
  • Data from a significant maneuver, while improving the SHARAD radar's subsurface scans, revealed no strong signals indicative of liquid water.
  • Critics had already questioned the likelihood of liquid water there.
  • The MRO team plans to study other Martian regions, including the equator, for ice deposits to support future human exploration.