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

The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.

Giant, dense structures have been discovered beneath the surface of Mars and they are leaving experts both mystified and excited. The first of these, confirmed by researchers in a fascinating paper, ...

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.

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