NASA declares Mars digger dead after two years - Mashable

The mole — also called a digger, drill, and probe — was built by the German Aerospace Center (DLR) and deployed by NASA's InSight lander.

The team at NASA was confident that the probe was finally ready to go, but they were wrong.

2020, was to direct the InSight lander to push on the probe with its robotic arm.

Spohn said that the work on this probe will benefit future missions, as they've learned a lot about the surface of Mars.