NASA's Curiosity Mars rover has spied a pitted rock face known as "Timboy Chaco" as it explores a region of the Red Planet ...

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much ...

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

Since NASA's Mars Reconnaissance Orbiter arrived at Mars in 2006, the spacecraft has delivered some of the most detailed imagery ever captured of the Red Planet.

NASA's Curiosity rover discovered strange mineral nodules on massive spiderweb formations on Mars.

NASA's Curiosity rover extended its robotic arm for another self-portrait on Mars, this time as it climbed a mountain towering above the red planet's plains. The selfie snapped Aug. 5 is actually more ...