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 ...

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

What can Mars’ red hue that’s been observed for thousands of years teach us about when water existed on its surface ...

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

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

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.

Scientists have discovered that Mars' red color likely comes from ferrihydrite, a mineral that forms in water challenging previous theory.