Results from a new study show that the water-rich iron mineral ferrihydrite may be the main pigment behind Mars’ reddish dust ...

A new study suggests the iron oxide responsible for the red planet's distinctive hue is ferrihydrite, pointing to the bygone ...

By combining observations from space and experiments on Earth, scientists rethink the red planet's history and why it's red.

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about ...

The Red Planet, as it’s often called, has a distinct hue, and a new theory about this coloration could have implications for ...

Thanks to new research techniques published today, scientists say that "our understanding of why Mars is red has been ...

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red ...

Mars is easily identifiable in the night sky by its prominent red hue. Thanks to the fleet of spacecraft that have studied ...

New research shows that the red dust on Mars contains ferrihydrite, a water-rich iron oxide. It's evidence that the planet ...

New research has revealed that Martian dust's red hue comes from reactions that occurred in wet — not dry — conditions, and ...

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study.

A study, conducted in part by NASA, indicates why Mars is red — and, more importantly, what this says about potential life on ...