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

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

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

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

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 ...

That is, iron bound up in Mars's rocks has at some point reacted with liquid water, or water and oxygen in the air, similar ...

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

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

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

For decades, scientists believed that Mars’ red color came from hematite, a type of iron oxide that forms under dry ...