The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals ...

A new study may have revealed the true source behind how the Red Planet got its hue. It’s been long thought that Mars shines red due to the rusted iron minerals within the dust that covers the planet ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation has been, “It’s rusty.” While that’s not entirely wrong, the truth is far ...

What can Mars’ red hue that’s been observed for thousands of years teach us about when water existed on its surface potentially millions, or even billions, of years ago? This is what a recent study ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. People from cultures across the world have been ...

Instead, Mars' red color is better matched by ferrihydrite — an iron oxide that contains water — and so the hue must have formed back when the now-arid planet was a cool ocean world, the study authors ...

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the Egyptians called ...

David Joffe receives funding from the NASA Office of STEM Engagement through a grant from the Georgia Space Grant Consortium People from cultures across the world have been looking at Mars since ...