Mars May Have Held Liquid Water More Recently
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- Mars could have carried liquid water more recently than previously thought, according to Phys.org's reporting on the latest research.
- Cross-coverage points to multiple rover missions driving the reassessment: NASA's Spirit rover data redrawing Mars's watery past, China's Zhurong rover detecting what may be 757-million-year-old brine crystals, and parallel surveys revisiting the odds of finding water on Mars.
Why it matters: If liquid water persisted on Mars more recently than the old timeline allowed, the window for potential microbial habitability and the practical case for crewed missions to follow the water both extend. The convergence of independent rover datasets — Spirit, Zhurong, and orbital surveys — makes this a multi-source revision rather than a single-paper claim.
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