Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

At the height of the space race in the late 1970s, the Viking probes successfully landed on Mars – collecting pictures, data, and samples from the red planet. It was so successful that Soviet ...

After a square structure found on the surface of Mars went viral on social media, internet users brought up another Martian ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...