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

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

The story of the red planet, it turns out, may be due for a revision. At one time, experts thought that Mars was covered with fields of rocks with iron trapped inside. Somehow or other, and over a ...

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

Mars is famous for its red hue, which comes from rusted iron minerals in its dust. These minerals are formed when iron reacts with water or oxygen, just like rust on Earth.

A new study conducted using existing data on Mars points to ferrihydrite, a substance that forms in the presence of water, ...

Mars, also called the Red Planet, is one of the most familiar planets ... but one thing hinders their full use: dust. From dark matter to black holes, explore the mysterious dark sides of the ...

Billions of years ago, however, liquid water flowed freely across the planet. And ... Within the marker band itself — a thin, dark layer of rock — scientists recognized wave ripples in ...