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

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

Mars is widely known for its iconic rusty red color — many people even refer to it as just the "Red Planet" — but new ...

The fundamental question of why Mars is red has been considered for hundreds if not for thousands of years,” Adam Valantinas, ...

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

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

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

Scientists have a new theory on why Mars is red, and it may mean that water was more widespread on the planet than previously ...

Now, scientists may have discovered the potential source of that distinctive coloring, overturning a popular theory in the ...

Mars’s signature red hue may not be due to hematite, as previously believed, but rather to ferrihydrite — an iron oxide that requires water to form. Using a combination of spacecraft data and ...

Mars’s red dust may contain ferrihydrite, an iron mineral that forms in water. This suggests ancient Mars had water for ...