Perseverance

The dry delta in the Yezre crater preserves evidence of ancient water flow, and the new study links the clays found in the area to persistent warm, wet climate conditions on ancient Mars. Credit: NASA.

New study: Ancient Mars may have been warm, rainy, and suitable for life

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Analysis of clay pebbles collected in Jezero Crater by the Perseverance probe indicates that at least parts of ancient Mars experienced mild, wet, and continuous conditions—not just brief thaw events in a frozen environment.
NASA's Perseverance spacecraft captured this selfie, made up of 62 individual images, on July 23, 2024. A rock called Chiave Falls—where features have been found that may indicate whether Mars was once home to microscopic life—is visible to the left of the spacecraft, near the center of the image. Credit: NASA/JPL-Caltech/MSSS

Signs of life on Mars? Geologists warn: It may be non-biological processes

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Case Western Reserve University researchers are cooling the enthusiasm for the Mars Perseverance rover's discoveries, emphasizing that the spotted rocks found may have been formed by geological processes – not by microorganisms.
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