Rock Around the World Activity Source: National Aeronautics and Space Administration and Arizona State University, 2006. Adapted with permission. Background Scientists need your help. Those studying Mars are asking students from around the world to help them understand “the red planet.” Send in a rock collected by you or your classroom from your region of the world, and NASA scientists will use a special tool like the one on the Mars Rover to tell you what it’s made of. [Read More]