Scientists are Trying to Figure Out Why InSight's "Mole" Can't Dig Any Deeper

Engineers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) are busy working with a replica InSight Lander to see if they can understand what’s blocking the lander’s mole. The mole is the short name for the lander’s Heat Probe, which is hammering its way into the Martian surface. The Heat Probe …