First Rock Samples News Today

Lets ask cnn space and defense correspondent kristin fisher. any major discoveries? >> the biggest thing that this rover has done, it has collected the first rock samples from another planet and this is of course so important because scientists are hoping that some day a future mission will be able to return those rock samples back to earth and then those scientists could of course search for perhaps signs of a very ancient line, perhaps microbial life in marz. it had a little bit of trouble but...