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 ...

In a rock drilled from an ancient Martian lakebed, NASA’s Curiosity rover has found the richest mix of organic molecules ever detected on Mars. The discovery doesn’t prove that life once existed on ...

Add Yahoo as a preferred source to see more of our stories on Google. The so-called Candor Tetrahedron. (NASA/JPL-Caltech/UArizona) It would be tempting to assume there's nothing much of note ...

NASA’s Curiosity rover has discovered the most diverse collection of organic molecules ever found on Mars. The findings, detailed in a paper published Tuesday in Nature Communications, came from a ...