Nasa’s Curiosity rover has been investigating the spider-web-like rock formations found on Mars – and found mysterious ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

NASA’s Mars Curiosity rover has been exploring a curious geological formation made up of ridges up to six feet in height for the last six months.

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much longer than previously believed, expanding the window during which microbial ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...