The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

New images from NASA's Curiosity Mars rover show the first close-up views of a region scientists had previously observed only ...

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging rocks could provide clues about the Red Planet's watery past and whether it ...

Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe ...

Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall ...

Curiosity’s mission was originally supposed to last no more than two years but was extended indefinitely after it ...

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.