News Planetary Science 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 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 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Elise Cutts December 4, 2023 at 7:00 am Enormous polygon patterns in rock lie dozens of meters below Mars’ surface, ground-penetrating radar data suggest.