NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and test technology that may pave the way for human travel to Mars.

Cast:Craig Sechler, Kennda Lynch, Diana Trujillo, Sanjeev Gupta, Jennifer Eigenbrode, Heather Graham,

Genre:Documentary,

country:United States of America,

Production:GBH, ARTE, NHK, NOVA,