
Curiosity Documents Martian Honeycomb Pattern, Deepening Mystery
NASA's Curiosity rover photographed a honeycomb-like polygonal pattern on the Martian surface inside Gale Crater, puzzling scientists about its origin; theories range from chunks broken from higher strata or ejecta from ancient impacts to meteorites, and researchers are comparing close-up images with orbital data, with no definitive explanation after almost 14 years on Mars.
