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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it ...

(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 successful ...