Life on Mars: Beginning in the 17th century, the search continues after Perseverance lands successfully

In 2000 scientists found that water had once flowed over its surface which rekindled interest in Mars exploration as they pored over images looking for evidence.

from http://www.firstpost.com/tech/science/life-on-mars-beginning-in-the-17th-century-the-search-continues-after-perseverance-lands-successfully-9322391.html