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 ...

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

Mars has been red for millions of years longer than previously thought, suggests new research. The study has "transformed" ...

Scientists suggest that the main reason for Mars’ red colour could be the water-rich iron mineral ferrihydrite. The discovery ...

Mars has captivated scientists and the public alike for centuries. One of the biggest reasons is the planet’s reddish hue, ...

A new study has found evidence that Mars's red color may not be caused by the mechanism scientists once thought. The ...

A new study led by Brown University researchers shows a water-rich mineral could explain the planet’s color — and hint at its wetter, more habitable past.

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.