Mars is a fascinating planet in our solar system. Over the years, space organizations have done a great deal of work to further explore Mars, including projects to get crews to the red planet. Mars ...

While Mars may appear round, its true shape is subtly stretched and uneven, a product of its unique geological past and ...

CNN — (CNN) — Here’s some background information about Mars exploration. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine ...

This handout image taken by NASA's Mars rover Curiosity shows rippled patterns on the surface of rocks caused by the waves of a shallow lake billions of years ago ...