We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation ...

Other observations by the TGO's Trace Gas Orbiter’s Color and Stereo Surface ... Valles Marineris along the equator of Mars. ESA says: "The shape and texture of the ejecta blanket show that ...

For example, it’s a dusty red color. But, new research from the European Space Agency is challenging humanity’s understanding of why Mars is called the Red Planet. “Mars is still the Red Planet.