Enormous polygon patterns in rock lie dozens of meters below Mars’ surface, ground-penetrating radar data suggest. Similar patterns develop on the surface in Earth’s polar regions when icy sediments ...
China’s Mars rover has uncovered underground polygon structures buried beneath the Red Planet’s surface — and it looks like they’re related to Mars’ long-lost water, too. Even more intriguingly, the ...
Scientists believe the polygon structures were formed by freeze-thaw cycles. A space probe sent to Mars by China discovered strange polygon structures buried underneath the Red Planet's surface.
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