NASA's Curiosity rover uncovers unusual honeycomb-like pattern on Mars. What does it mean?

NASA's Curiosity rover has photographed an unusual honeycomb-like pattern on Mars. This striking network of polygon-shaped ridges stretches across a light-toned rock formation. Scientists are also examining dark-toned rocks scattered across the terrain. These formations may offer clues about Mars' ancient environmental conditions. The discovery adds to the planet's growing list of geological puzzles.