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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Almost 14 years since landing on the Red Planet, Curiosity is still hard at work exploring. And ...

New research has uncovered a major mystery deep inside Mars, where differences between the planet’s northern and southern regions reveal an unexpected internal structure. The findings, published in ...