After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

NASA’s Mars Sample Return Mission may cost up to $11 billion, risking c Lockheed Martin proposes a reduced-cost plan using InSight lander techn Rocket Lab also offered a budget-friendly MSR proposal i ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...