A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASA’s Mars Orbiter Camera images, has sparked ...

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

The findings are the result of the ongoing studies performed by NASA’s Curiosity rover, which has been scouring the red ...

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars. As shown in the imagery below, the NASA robot investigated dried-up lake beds and captured views of ...

What does NASA's discovery of odd popcorn rocks on Mars actually mean? It has discovered an oddly textured rock similar to ...

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Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.