Acheron Fossae is filled with dramatic landscape features — most notably, its namesake fossae, or fault-like channels that criss-cross the surface. Here, the land is split into raised ridges known as ...

NASA says new images and data are ‘raising new questions about how the Martian surface was changing billions of years ago’ ...

The Curiosity Mars rover photographed more rocks that are shaped like coral on the red planet's surface. Researchers said the ...

When liquid water still existed on Mars, it carried dissolved minerals into rock cracks, NASA said. Once the liquid dried, it left the hardened minerals behind. The "unique shapes" left today were ...

This is because these objects formed “billions of years ago when liquid water still existed on the Red Planet. Water carried ...

The little Mars rover is still picking up all-new abilities that keep it rolling ever forward, even as its heart is dying.

On Aug. 6, 2012, NASA's Curiosity rover successfully touched down on the Martian surface. Curiosity is NASA's biggest and ...

Curiosity Rover on Mars Once Wished Itself ‘Happy Birthday’—and Then Became a Meme Curiosity rover on Mars once celebrated ...

NASA's Curiosity rover has found iron-rich carbonates on Mars — a major clue that the Red Planet used to be habitable.

NASA’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The discovery is one of the most significant findings in the search for ...

The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of the chemical building blocks of life.

NASA's Mars rover Curiosity has collected new data for a study of the Red Planet's past climate and carbon-rich minerals. The findings give clues about habitability.