Essentially, it’s rust. That red-tinted iron oxide disintegrated into dust and spread across the planet on wind currents for billions of years—as it continues doing today. However, different ...

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 ...

Essentially, it’s rust. That red-tinted iron oxide disintegrated into dust and spread across the planet on wind currents for billions of years—as it continues doing today. However, different ...