Here's NASA's new idea to get its stubborn Martian drill to work

Well over a year after NASA's InSight lander parachuted down to the Martian surface, the space agency still hasn't been able to drill too far into the red soil.  NASA has tried a few different techniques to get the drill, known as the "mole," deeper into the ground to measure the desert planet's inner temperature —  with the greater goal of understanding geologic activity on Mars.  On Friday, NASA announced a new idea. From tens of millions of miles away, the space agency will direct the InSight lander to take its robotic arm (which has a black shovel on the end), to "push" on top of the drill.  Read more...More about Nasa, Science, Mars, Insight Mars, and Science