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 ...

A pyramid-shaped formation spotted on the surface of Mars has reignited speculation about whether an ancient civilisation once existed on the Red Planet. Online discussion has surged after a viral ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Mars Curiosity rover has been exploring a curious geological formation made up of ridges that look like spiderwebs from ...

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. Scientists theorize that the “boxwork” formations were ...