A new study claims that a mineral found in Mars' dust called ferrihydrite, which forms in the presence of cool water, is likely what gives the planet its reddish hue.

A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

Now, he says, "our understanding of why Mars is red has been transformed." The new explanation for the reddish color – the rusty-colored dust known as ferrihydrite – also will help our ...

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about whether Mars was ever able to support life.

The color red and the planet Mars go together like Earth and its oceans or Saturn and its rings. However, our understanding of how the Red Planet got its signature hue might be wrong. A new ...

For example, it’s a dusty red color. But, new research from the European Space Agency is challenging humanity’s understanding of why Mars is called the Red Planet. “Mars is still the Red Planet. It’s ...