A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

The water-rich iron mineral ferrihydrite may be the main culprit behind Mars's reddish dust, rather than the dry, rust-like ...

Qi Zhang, a doctoral student at the Swedish Institute of Space Physics and Umeå University, explores in her doctoral thesis ...

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

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

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

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 ...

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

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

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about whether Mars was ever able to support life.