Space Daily July 24, 2026 • 17:30

As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—b - Space Daily

We may be looking for Martian life in all the wrong places—and at depths we cannot yet reach.

Mars has a life-search problem built into its geology. The material we can reach most easily sits in the part of the planet least suited to preserving, let alone sustaining, an organism.
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As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—b - Space Daily

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