These findings, published in the Proceedings of the National Academy of Sciences, support the hypothesis of a past ocean in Mars' northern plains ...

We might be wrong about the color of Mars, scientists say - Red dust has blown around the planet for billions of years, ...

A water-rich iron mineral ferrihydrite may be the main culprit behind Mars’ reddish dust, according to a new study led by researchers from Brown University and the University of Bern. The study's ...

Mars has been known as the Red Planet for thousands of years; even the ancient Egyptians called it ‘The Red One’ (Her Desher) ...