Exploration of Red Planet continues with 2 new rovers Arizona Daily Sun

Two new rovers, called the Mars Exploration Rovers, with a host of new instruments, are set to land on Mars in January of next year. The first of the rovers, described by the U.S. Geological Survey’s Jeffrey Johnson as being the size of a riding lawnmower, is set to land on the inhospitable Martian surface Jan. 4, 2004; the second will land on Jan. 25.