Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Mars does not have Earth’s kind of magnetic shield, so it has often been treated as the solar system’s more exposed world. It is a planet left to take the sun’s blows with far less protection. But ...

We may have been wrong about how Mars got its characteristic red hue, a new study reveals. The Red Planet owes its ruddy complexion to rusted iron minerals, dispersed across billions of years by winds ...