The evidence came from photographs snapped by the NASA bot of the dry, dusty Martian surface marked by a series of hexagonal shapes that indicate mud covered the surface before drying and cracking.
The cracks themselves are mere centimetres deep, which the boffins said suggests short wet-dry cycles “were maintained at least episodically in the long term,” which would be yet another favorable condition for the past emergence of life on Mars.
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Calling it now: eventually we’ll find that Martians fucked up their planet so utterly that their only resort was to come to Earth.