Scientists once believed our planetary next-door neighbor got its rusty hue from hematite, a common iron ore known for its ...

With new data coming in from Mars, scientists have a new theory about why the planet is red. What does this mean for whether ...

Iron, a key material in steel and other applications, is most often found in hematite and magnetite ores, though goethite, limonite and siderite ores are also common sources of iron ore.

For centuries, the Red Planet’s signature hue has fascinated scientists, but the real reason behind its color may be ...

Because of the absence of liquid water on Mars’s surface today, its rusty red minerals were thought to arise from dry iron oxides present in the dust, such as hematite. However, new analysis of ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the ...

No. The researchers only think ferrihydrite is why Mars is red, and though they used very advanced technology t ...

Vincent Chevrier, associate research professor at the University of Arkansas Center for Space and Planetary Sciences, is part ...

A new study shows a water-rich mineral could explain the planet's color -- and hint at its wetter, more habitable past.