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 ...

NASA's Curiosity rover snapped this view of polygon-patterned bedrock on May 4. Mars is home to a lot of odd-shaped rocks that can look pretty random. Patterns, however, can catch scientists’ eyes.

The photo highlights the Martian landscape resembling a lacy honeycomb spider web when viewed from orbit. As reported first by Science Alert, the weird polygonal shapes aren't made by spiders or bees ...