In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

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At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the red planet never gets ... elemental composition of Martian surface materials, allowing ...

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 ...

(CNN) — Thousands of mysterious mounds on Mars preserve layers of evidence pointing to ancient water on the red planet that likely ... of 145 square miles, the Martian mounds reach 1,800 feet ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves. When you purchase ...