Plan to Make Mars InSight's 'Mole' Dig Deeper

The 'mole' instrument about the InSight lander hasn't been able to dig deeper than 12 inches into the Mars surface. It is designed to go deeper and NASA will use to lander's robotic arm to help identify the issue. -- InSight Snaps Dusty Selfie on Mars: https://www.space.com/insight-mars-lander-dusty-selfie-photo.html Credit: NASA/JPL-Caltech