"Bizarre Polygonal Structures Unearthed on Mars"

The Chinese rover Zhurong has discovered 16 buried polygonal structures below the surface of Mars, shedding light on the planet's early atmosphere and climate. These structures, believed to have formed from a freeze-thaw cycle, were found 35 meters down in the Utopia Planitia basin and suggest that Mars may have had a higher obliquity in the past. The findings, published in Nature Astronomy, indicate a notable palaeoclimatic transformation on Mars and challenge previous assumptions about the planet's geological history.