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.

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

Mars Science Laboratory Our How Things Work feature for November 2011 focuses on the landing of the Curiosity Mars Science Laboratory in August 2012. But that will be just the start of this most ...

However, new analysis of spacecraft observations in combination with novel laboratory techniques shows that Mars's red color is better matched by iron oxides containing water, known as ferrihydrite.

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This new analysis combining spacecraft observations with some newly developed laboratory techniques ... still be debating just how Mars got so red. Laura is a science news writer, covering a ...

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

We're not the first to consider ferrihydrite as the reason for why Mars is red, but it has never been proven the way we proved it now using observational data and novel laboratory methods to ...

Researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in ... models fail to account for the fact that laboratory experiments have demonstrated that the ...

We’re not the first to consider ferrihydrite as the reason for why Mars is red, but we can now better test this using observational data and novel laboratory ... for Strategic Science of the ...