Emily Manor-Chapman, a NASA engineer on the 'InSight' lander, explains what the new mission to Mars hopes to accomplish.
For full interview, [click here](https://cheddar.com/videos/nasa-prepares-for-trip-to-mars).
A NASA spacecraft will fly by Earth on Sunday and drop off what is expected to be at least a cupful of rubble it grabbed from the asteroid Bennu, closing out a seven-year quest.