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

Breathtaking photo of Earth taken by US military's mysterious space plane Red Sea discovery amazes scientists as undisturbed part of planet found A gas giant, Tylos orbits so close to its star and ...

The color red and the planet Mars go together like Earth and its oceans or Saturn and its rings. However, our understanding of how the Red Planet got its signature hue might be wrong. A new ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...