NASA's InSight lander mole is digging into the surface of Mars once more, but progress is slow and complicated. The mole is designed to dig as deep as 16 feet, but it has repeatedly failed to make ...

NASA has a new plan to get its Mars "mole" digging again. The agency's InSight lander touched down on the Red Planet last November, tasked with mapping the Martian interior in unprecedented detail.

“When the Mole first started digging, I was ecstatic. ‘Yes! We’re actually going to make it down!’ Then it popped out [of the hole].” Troy Lee Hudson sighs. He’s the Jet Propulsion Lab scientist and ...