Photo: Haughton-Mars Project
GETTING AROUND: Researchers are also testing prototypes of rovers that humans could one day drive on Mars’s surface. The Mars Institute just completed a 500-kilometer Artic trek In a pressurized Humvee [above]. The Mars Society uses only small, unpressurized vehicles: “On Mars, there’s no AAA,” says Zubrin. “If you can’t lift it, don’t bring it.”