Mars has a visitor. It likes to roam, observe, measure, and collect. It explores the red landscape - crossing plains, cl... (more)
Mars has a visitor. It likes to roam, observe, measure, and collect. It explores the red landscape - crossing plains, climbing hills, and tracing the bottoms of craters - in search of water and life. It is not the first to visit Mars. It will not be the last. But it might be the most curious. (less)