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 ...

Buried dozens of meters under the equator of Mars is a large honeycomb pattern similar to what's found near Earth's frigid poles. Each crevasse spans 70 meters (230 feet) — about half a football field ...

The newfound honeycomb fractures are the "most compelling evidence to date" that Mars was tilted more extremely than it is today. When you purchase through links on our site, we may earn an affiliate ...