However, as the saying goes, life finds a way.
More research is needed to determine if microbes might have thrived in more hospitable conditions underground.
In one, Mars underwent an alternating series of wet and dry periods.
In this artist’s rendition, Mars is shown partially covered with water.© NASA/MAVEN/The Lunar and Planetary Institute
In the other, the carbonates formed in very salty water that was exposed to extreme cold.
Not a great place to be if youre alive, even if youre an amoeba.
While it might seem like a setback for the search for Martian life, thats not necessarily the case.
The search for life on Mars has been something of a mixed bag.
While there have been compelling signs, it would be a stretch to call any of the evidence conclusive.
The hunt continues as Curiosity, and its comrade Perseverance, continue their slow trek across the Martian terrain.
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