Perseverance is hitting the 'open road' on Mars like no other rover. On June 19, the six-wheeled explorer officially completed the longest day trip of any robot vehicle on another planet. In a single ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...