NASA's Curiosity rover discovered strange mineral nodules on massive spiderweb formations on Mars.

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

Strange spiderweb-like ridges on Mars may reveal groundwater lasted longer than scientists thought.

Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet.

For about six months, NASA’s Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...