Giant polygon rock patterns may be buried deep below Mars’ surface

Radar reveals terrain that could shed light on how Mars’ climate has changed over time

A picture of Mars

On Mars, the Chinese rover Zhurong found intriguing polygon-like structures buried dozens of meters below its landing site in Utopia Planitia. The forms are reminiscent of similar polygonal patterns on Earth that are carved by ice.

JPL-Caltech/NASA

Enormous polygon patterns in rock lie dozens of meters below Mars’ surface, ground-penetrating radar data suggest.