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 ...

Here's some background information about Mars exploration. The United States and the Soviet Union are the only two countries to land a spacecraft on Mars. Facts: There have been seven successful US ...

Two samples from Mars together deliver the "smoking gun" in a new study showing the origin of Martian organic material. The study presents solid evidence for a prediction made over a decade ago by ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...