From orbit, the surface of Mars reveals... a giant spider web. These structures, forming an extensive network of ridges, were ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ancient civilisation once existed on the Red Planet ...

Nasa’s Curiosity rover has been investigating the spider-web-like rock formations found on Mars – and found mysterious egg-like structures. Newly issued images show giant zig-zagging ridges, known as ...

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

Mars has a lot of rocks. In fact, Mars has so many rocks that have undergone all sorts of weathering over the eons that, ...

Researchers studying Mars uncovered something unusual hiding inside ancient Martian rocks: a new form of matter ...

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

Water is considered the basic building block for life as we know it. An extended water history on Mars widens the window of ...

Add Yahoo as a preferred source to see more of our stories on Google. An accident on Mars revealed the surprising contents of an otherwise unremarkable rock. (NASA/JPL-Caltech/MSSS) A rock on Mars ...