Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere, but ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

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Humanity's greatest journey is about to begin — we’re going to Mars. But how do we actually get there? In this detailed breakdown, we explore the collaboration between NASA and SpaceX, the mission ...

WASHINGTON — NASA’s Mars Reconnaissance Orbiter has observed a new category of minerals spread across large regions of Mars. This discovery suggests that liquid water remained on the planet’s surface ...

Image – resolution is 25 centimeters (10 inches) per pixel. During its first week of observations from low orbit, NASA’s newest Mars spacecraft is already revealing new clues about both recent and ...