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Ancient Riverbeds on Mars Reveal Water's Life-Sustaining Past

7/27/2025

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Summary

Story summary

Ancient riverbeds have been uncovered in Mars' Noachis Terra region, revealing a wetter past than we thought. On July 10, 2025, scientists shared that over 9,300 miles of inverted channels were shaped by persistent rainfall around 3.7 billion years ago, hinting at a time when Mars may have supported life-sustaining water.

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Story summary

Ancient riverbeds have been uncovered in Mars' Noachis Terra region, revealing a wetter past than we thought. On July 10, 2025, scientists shared that over 9,300 miles of inverted channels were shaped by persistent rainfall around 3.7 billion years ago, hinting at a time when Mars may have supported life-sustaining water.